mirror of
https://github.com/niklasvh/html2canvas.git
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12 lines
160 KiB
JavaScript
12 lines
160 KiB
JavaScript
/*
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html2canvas 0.5.0-alpha <http://html2canvas.hertzen.com>
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Copyright (c) 2014 Niklas von Hertzen
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Released under MIT License
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*/
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!function(window,document,exports,undefined){var fabric=fabric||{version:"1.4.11"};"undefined"!=typeof exports&&(exports.fabric=fabric),"undefined"!=typeof document&&"undefined"!=typeof window?(fabric.document=document,fabric.window=window):(fabric.document=require("jsdom").jsdom("<!DOCTYPE html><html><head></head><body></body></html>"),fabric.window=fabric.document.createWindow()),fabric.isTouchSupported="ontouchstart"in fabric.document.documentElement,fabric.isLikelyNode="undefined"!=typeof Buffer&&"undefined"==typeof window,fabric.SHARED_ATTRIBUTES=["display","transform","fill","fill-opacity","fill-rule","opacity","stroke","stroke-dasharray","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width"],fabric.DPI=96;var Cufon=function(){function a(a){var b=this.face=a.face;this.glyphs=a.glyphs,this.w=a.w,this.baseSize=parseInt(b["units-per-em"],10),this.family=b["font-family"].toLowerCase(),this.weight=b["font-weight"],this.style=b["font-style"]||"normal",this.viewBox=function(){var a=b.bbox.split(/\s+/),c={minX:parseInt(a[0],10),minY:parseInt(a[1],10),maxX:parseInt(a[2],10),maxY:parseInt(a[3],10)};return c.width=c.maxX-c.minX,c.height=c.maxY-c.minY,c.toString=function(){return[this.minX,this.minY,this.width,this.height].join(" ")},c}(),this.ascent=-parseInt(b.ascent,10),this.descent=-parseInt(b.descent,10),this.height=-this.ascent+this.descent}function b(){var a={},b={oblique:"italic",italic:"oblique"};this.add=function(b){(a[b.style]||(a[b.style]={}))[b.weight]=b},this.get=function(c,d){var e=a[c]||a[b[c]]||a.normal||a.italic||a.oblique;if(!e)return null;if(d={normal:400,bold:700}[d]||parseInt(d,10),e[d])return e[d];var f,g,h={1:1,99:0}[d%100],i=[];h===undefined&&(h=d>400),500==d&&(d=400);for(var j in e)j=parseInt(j,10),(!f||f>j)&&(f=j),(!g||j>g)&&(g=j),i.push(j);return f>d&&(d=f),d>g&&(d=g),i.sort(function(a,b){return(h?a>d&&b>d?b>a:a>b:d>a&&d>b?a>b:b>a)?-1:1}),e[i[0]]}}function c(){function a(a,b){return a.contains?a.contains(b):16&a.compareDocumentPosition(b)}function b(b){var c=b.relatedTarget;c&&!a(this,c)&&d(this)}function c(){d(this)}function d(a){setTimeout(function(){n.replace(a,r.get(a).options,!0)},10)}this.attach=function(a){a.onmouseenter===undefined?(f(a,"mouseover",b),f(a,"mouseout",b)):(f(a,"mouseenter",c),f(a,"mouseleave",c))}}function d(){function a(a){return a.cufid||(a.cufid=++c)}var b={},c=0;this.get=function(c){var d=a(c);return b[d]||(b[d]={})}}function e(a){var b={},c={};this.get=function(c){return b[c]!=undefined?b[c]:a[c]},this.getSize=function(a,b){return c[a]||(c[a]=new p.Size(this.get(a),b))},this.extend=function(a){for(var c in a)b[c]=a[c];return this}}function f(a,b,c){a.addEventListener?a.addEventListener(b,c,!1):a.attachEvent&&a.attachEvent("on"+b,function(){return c.call(a,fabric.window.event)})}function g(a,b){var c=r.get(a);return c.options?a:(b.hover&&b.hoverables[a.nodeName.toLowerCase()]&&s.attach(a),c.options=b,a)}function h(a){var b={};return function(c){return b.hasOwnProperty(c)||(b[c]=a.apply(null,arguments)),b[c]}}function i(a,b){b||(b=p.getStyle(a));for(var c,d=p.quotedList(b.get("fontFamily").toLowerCase()),e=0,f=d.length;f>e;++e)if(c=d[e],v[c])return v[c].get(b.get("fontStyle"),b.get("fontWeight"));return null}function j(a){return fabric.document.getElementsByTagName(a)}function k(){for(var a,b={},c=0,d=arguments.length;d>c;++c)for(a in arguments[c])b[a]=arguments[c][a];return b}function l(a,b,c,d,e,f){var g=d.separate;if("none"==g)return u[d.engine].apply(null,arguments);var h,i=fabric.document.createDocumentFragment(),j=b.split(x[g]),k="words"==g;k&&q&&(/^\s/.test(b)&&j.unshift(""),/\s$/.test(b)&&j.push(""));for(var l=0,m=j.length;m>l;++l)h=u[d.engine](a,k?p.textAlign(j[l],c,l,m):j[l],c,d,e,f,m-1>l),h&&i.appendChild(h);return i}function m(a,b){for(var c,d,e,f,h=g(a,b).firstChild;h;h=e){if(e=h.nextSibling,f=!1,1==h.nodeType){if(!h.firstChild)continue;if(!/cufon/.test(h.className)){arguments.callee(h,b);continue}f=!0}if(d||(d=p.getStyle(a).extend(b)),c||(c=i(a,d)),c)if(f)u[b.engine](c,null,d,b,h,a);else{var j=h.data;if("undefined"!=typeof G_vmlCanvasManager&&(j=j.replace(/\r/g,"\n")),""!==j){var k=l(c,j,d,b,h,a);k?h.parentNode.replaceChild(k,h):h.parentNode.removeChild(h)}}}}var n=function(){return n.replace.apply(null,arguments)},o=n.DOM={ready:function(){var a=!1,b={loaded:1,complete:1},c=[],d=function(){if(!a){a=!0;for(var b;b=c.shift();b());}};return fabric.document.addEventListener&&(fabric.document.addEventListener("DOMContentLoaded",d,!1),fabric.window.addEventListener("pageshow",d,!1)),!fabric.window.opera&&fabric.document.readyState&&function(){b[fabric.document.readyState]?d():setTimeout(arguments.callee,10)}(),fabric.document.readyState&&fabric.document.createStyleSheet&&function(){try{fabric.document.body.doScroll("left"),d()}catch(a){setTimeout(arguments.callee,1)}}(),f(fabric.window,"load",d),function(b){arguments.length?a?b():c.push(b):d()}}()},p=n.CSS={Size:function(a,b){this.value=parseFloat(a),this.unit=String(a).match(/[a-z%]*$/)[0]||"px",this.convert=function(a){return a/b*this.value},this.convertFrom=function(a){return a/this.value*b},this.toString=function(){return this.value+this.unit}},getStyle:function(a){return new e(a.style)},quotedList:h(function(a){for(var b,c=[],d=/\s*((["'])([\s\S]*?[^\\])\2|[^,]+)\s*/g;b=d.exec(a);)c.push(b[3]||b[1]);return c}),ready:function(){var a=!1,b=[],c=function(){a=!0;for(var c;c=b.shift();c());},d=Object.prototype.propertyIsEnumerable?j("style"):{length:0},e=j("link");return o.ready(function(){for(var a,b=0,f=0,g=e.length;a=e[f],g>f;++f)a.disabled||"stylesheet"!=a.rel.toLowerCase()||++b;fabric.document.styleSheets.length>=d.length+b?c():setTimeout(arguments.callee,10)}),function(c){a?c():b.push(c)}}(),supports:function(a,b){var c=fabric.document.createElement("span").style;return c[a]===undefined?!1:(c[a]=b,c[a]===b)},textAlign:function(a,b,c,d){return"right"==b.get("textAlign")?c>0&&(a=" "+a):d-1>c&&(a+=" "),a},textDecoration:function(a,b){b||(b=this.getStyle(a));for(var c={underline:null,overline:null,"line-through":null},d=a;d.parentNode&&1==d.parentNode.nodeType;){var e=!0;for(var f in c)c[f]||(-1!=b.get("textDecoration").indexOf(f)&&(c[f]=b.get("color")),e=!1);if(e)break;b=this.getStyle(d=d.parentNode)}return c},textShadow:h(function(a){if("none"==a)return null;for(var b,c=[],d={},e=0,f=/(#[a-f0-9]+|[a-z]+\(.*?\)|[a-z]+)|(-?[\d.]+[a-z%]*)|,/gi;b=f.exec(a);)","==b[0]?(c.push(d),d={},e=0):b[1]?d.color=b[1]:d[["offX","offY","blur"][e++]]=b[2];return c.push(d),c}),color:h(function(a){var b={};return b.color=a.replace(/^rgba\((.*?),\s*([\d.]+)\)/,function(a,c,d){return b.opacity=parseFloat(d),"rgb("+c+")"}),b}),textTransform:function(a,b){return a[{uppercase:"toUpperCase",lowercase:"toLowerCase"}[b.get("textTransform")]||"toString"]()}},q=0==" ".split(/\s+/).length,r=new d,s=new c,t=[],u={},v={},w={engine:null,hover:!1,hoverables:{a:!0},printable:!0,selector:fabric.window.Sizzle||fabric.window.jQuery&&function(a){return jQuery(a)}||fabric.window.dojo&&dojo.query||fabric.window.$$&&function(a){return $$(a)}||fabric.window.$&&function(a){return $(a)}||fabric.document.querySelectorAll&&function(a){return fabric.document.querySelectorAll(a)}||j,separate:"words",textShadow:"none"},x={words:/\s+/,characters:""};return n.now=function(){return o.ready(),n},n.refresh=function(){for(var a=t.splice(0,t.length),b=0,c=a.length;c>b;++b)n.replace.apply(null,a[b]);return n},n.registerEngine=function(a,b){return b?(u[a]=b,n.set("engine",a)):n},n.registerFont=function(c){var d=new a(c),e=d.family;return v[e]||(v[e]=new b),v[e].add(d),n.set("fontFamily",'"'+e+'"')},n.replace=function(a,b,c){return b=k(w,b),b.engine?("string"==typeof b.textShadow&&b.textShadow&&(b.textShadow=p.textShadow(b.textShadow)),c||t.push(arguments),(a.nodeType||"string"==typeof a)&&(a=[a]),p.ready(function(){for(var c=0,d=a.length;d>c;++c){var e=a[c];"string"==typeof e?n.replace(b.selector(e),b,!0):m(e,b)}}),n):n},n.replaceElement=function(a,b){return b=k(w,b),"string"==typeof b.textShadow&&b.textShadow&&(b.textShadow=p.textShadow(b.textShadow)),m(a,b)},n.engines=u,n.fonts=v,n.getOptions=function(){return k(w)},n.set=function(a,b){return w[a]=b,n},n}();Cufon.registerEngine("canvas",function(){function a(a,b){var c,d=0,e=0,f=[],g=/([mrvxe])([^a-z]*)/g;a:for(var h=0;c=g.exec(a);++h){var i=c[2].split(",");switch(c[1]){case"v":f[h]={m:"bezierCurveTo",a:[d+~~i[0],e+~~i[1],d+~~i[2],e+~~i[3],d+=~~i[4],e+=~~i[5]]};break;case"r":f[h]={m:"lineTo",a:[d+=~~i[0],e+=~~i[1]]};break;case"m":f[h]={m:"moveTo",a:[d=~~i[0],e=~~i[1]]};break;case"x":f[h]={m:"closePath",a:[]};break;case"e":break a}b[f[h].m].apply(b,f[h].a)}return f}function b(a,b){for(var c=0,d=a.length;d>c;++c){var e=a[c];b[e.m].apply(b,e.a)}}var c=Cufon.CSS.supports("display","inline-block"),d=!c&&("BackCompat"==fabric.document.compatMode||/frameset|transitional/i.test(fabric.document.doctype.publicId)),e=fabric.document.createElement("style");e.type="text/css";var f=fabric.document.createTextNode(".cufon-canvas{text-indent:0}@media screen,projection{.cufon-canvas{display:inline;display:inline-block;position:relative;vertical-align:middle"+(d?"":";font-size:1px;line-height:1px")+"}.cufon-canvas .cufon-alt{display:-moz-inline-box;display:inline-block;width:0;height:0;overflow:hidden}"+(c?".cufon-canvas canvas{position:relative}":".cufon-canvas canvas{position:absolute}")+"}@media print{.cufon-canvas{padding:0 !important}.cufon-canvas canvas{display:none}.cufon-canvas .cufon-alt{display:inline}}");try{e.appendChild(f)}catch(g){e.setAttribute("type","text/css"),e.styleSheet.cssText=f.data}return fabric.document.getElementsByTagName("head")[0].appendChild(e),function(d,e,f,g,h){function i(){T.save();var a=0,b=0,c=[{left:0}];g.backgroundColor&&(T.save(),T.fillStyle=g.backgroundColor,T.translate(0,d.ascent),T.fillRect(0,0,A+10,(-d.ascent+d.descent)*D),T.restore()),"right"===g.textAlign?(T.translate(G[b],0),c[0].left=G[b]*U):"center"===g.textAlign&&(T.translate(G[b]/2,0),c[0].left=G[b]/2*U);for(var e=0,f=z.length;f>e;++e)if("\n"!==z[e]){var h=d.glyphs[z[e]]||d.missingGlyph;if(h){var i=Number(h.w||d.w)+n;g.textBackgroundColor&&(T.save(),T.fillStyle=g.textBackgroundColor,T.translate(0,d.ascent),T.fillRect(0,0,i+10,-d.ascent+d.descent),T.restore()),T.translate(i,0),a+=i,e==f-1&&(c[c.length-1].width=a*U,c[c.length-1].height=(-d.ascent+d.descent)*U)}}else{b++;var j=-d.ascent-d.ascent/5*g.lineHeight,k=c[c.length-1],l={left:0};k.width=a*U,k.height=(-d.ascent+d.descent)*U,"right"===g.textAlign?(T.translate(-A,j),T.translate(G[b],0),l.left=G[b]*U):"center"===g.textAlign?(T.translate(-a-G[b-1]/2,j),T.translate(G[b]/2,0),l.left=G[b]/2*U):T.translate(-a,j),c.push(l),a=0}T.restore(),Cufon.textOptions.boundaries=c}function j(c){T.fillStyle=c||Cufon.textOptions.color||f.get("color");var e=0,h=0;"right"===g.textAlign?T.translate(G[h],0):"center"===g.textAlign&&T.translate(G[h]/2,0);for(var i=0,j=z.length;j>i;++i)if("\n"!==z[i]){var k=d.glyphs[z[i]]||d.missingGlyph;if(k){var l=Number(k.w||d.w)+n;W&&(T.save(),T.strokeStyle=T.fillStyle,T.lineWidth+=T.lineWidth,T.beginPath(),W.underline&&(T.moveTo(0,-d.face["underline-position"]+.5),T.lineTo(l,-d.face["underline-position"]+.5)),W.overline&&(T.moveTo(0,d.ascent+.5),T.lineTo(l,d.ascent+.5)),W["line-through"]&&(T.moveTo(0,-d.descent+.5),T.lineTo(l,-d.descent+.5)),T.stroke(),T.restore()),X&&(T.save(),T.transform(1,0,-.25,1,0,0)),T.beginPath(),k.d&&(k.code?b(k.code,T):k.code=a("m"+k.d,T)),T.fill(),g.strokeStyle&&(T.closePath(),T.save(),T.lineWidth=g.strokeWidth,T.strokeStyle=g.strokeStyle,T.stroke(),T.restore()),X&&T.restore(),T.translate(l,0),e+=l}}else{h++;var m=-d.ascent-d.ascent/5*g.lineHeight;"right"===g.textAlign?(T.translate(-A,m),T.translate(G[h],0)):"center"===g.textAlign?(T.translate(-e-G[h-1]/2,m),T.translate(G[h]/2,0)):T.translate(-e,m),e=0}}var k=null===e,l=d.viewBox,m=f.getSize("fontSize",d.baseSize),n=f.get("letterSpacing");n="normal"==n?0:m.convertFrom(parseInt(n,10));var o=0,p=0,q=0,r=0,s=g.textShadow,t=[];if(Cufon.textOptions.shadowOffsets=[],Cufon.textOptions.shadows=null,s){Cufon.textOptions.shadows=s;for(var u=0,v=s.length;v>u;++u){var w=s[u],x=m.convertFrom(parseFloat(w.offX)),y=m.convertFrom(parseFloat(w.offY));t[u]=[x,y]}}for(var z=Cufon.CSS.textTransform(k?h.alt:e,f).split(""),A=0,B=null,C=0,D=1,E=[],u=0,v=z.length;v>u;++u)if("\n"!==z[u]){var F=d.glyphs[z[u]]||d.missingGlyph;F&&(A+=B=Number(F.w||d.w)+n)}else D++,A>C&&(C=A),E.push(A),A=0;E.push(A),A=Math.max(C,A);for(var G=[],u=E.length;u--;)G[u]=A-E[u];if(null===B)return null;p+=l.width-B,r+=l.minX;var H,I;if(k)H=h,I=h.firstChild;else if(H=fabric.document.createElement("span"),H.className="cufon cufon-canvas",H.alt=e,I=fabric.document.createElement("canvas"),H.appendChild(I),g.printable){var J=fabric.document.createElement("span");J.className="cufon-alt",J.appendChild(fabric.document.createTextNode(e)),H.appendChild(J)}var K=H.style,L=I.style||{},M=m.convert(l.height-o+q),N=Math.ceil(M),O=N/M;I.width=Math.ceil(m.convert(A+p-r)*O),I.height=N,o+=l.minY,L.top=Math.round(m.convert(o-d.ascent))+"px",L.left=Math.round(m.convert(r))+"px";var P=Math.ceil(m.convert(A*O)),Q=P+"px",R=m.convert(d.height),S=(g.lineHeight-1)*m.convert(-d.ascent/5)*(D-1);Cufon.textOptions.width=P,Cufon.textOptions.height=R*D+S,Cufon.textOptions.lines=D,Cufon.textOptions.totalLineHeight=S,c?(K.width=Q,K.height=R+"px"):(K.paddingLeft=Q,K.paddingBottom=R-1+"px");var T=Cufon.textOptions.context||I.getContext("2d"),U=N/l.height;Cufon.textOptions.fontAscent=d.ascent*U,Cufon.textOptions.boundaries=null;for(var V=Cufon.textOptions.shadowOffsets,u=t.length;u--;)V[u]=[t[u][0]*U,t[u][1]*U];T.save(),T.scale(U,U),T.translate(-r-1/U*I.width/2+(Cufon.fonts[d.family].offsetLeft||0),-o-Cufon.textOptions.height/U/2+(Cufon.fonts[d.family].offsetTop||0)),T.lineWidth=d.face["underline-thickness"],T.save();var W=Cufon.getTextDecoration(g),X="italic"===g.fontStyle;if(T.save(),i(),s)for(var u=0,v=s.length;v>u;++u){var w=s[u];T.save(),T.translate.apply(T,t[u]),j(w.color),T.restore()}return j(),T.restore(),T.restore(),T.restore(),H}}()),Cufon.registerEngine("vml",function(){function a(a,c){return b(a,/(?:em|ex|%)$/i.test(c)?"1em":c)}function b(a,b){if(/px$/i.test(b))return parseFloat(b);var c=a.style.left,d=a.runtimeStyle.left;a.runtimeStyle.left=a.currentStyle.left,a.style.left=b;var e=a.style.pixelLeft;return a.style.left=c,a.runtimeStyle.left=d,e}if(fabric.document.namespaces){var c=fabric.document.createElement("canvas");if(!(c&&c.getContext&&c.getContext.apply)){null==fabric.document.namespaces.cvml&&fabric.document.namespaces.add("cvml","urn:schemas-microsoft-com:vml");var d=fabric.document.createElement("cvml:shape");if(d.style.behavior="url(#default#VML)",d.coordsize)return d=null,fabric.document.write('<style type="text/css">.cufon-vml-canvas{text-indent:0}@media screen{cvml\\:shape,cvml\\:shadow{behavior:url(#default#VML);display:block;antialias:true;position:absolute}.cufon-vml-canvas{position:absolute;text-align:left}.cufon-vml{display:inline-block;position:relative;vertical-align:middle}.cufon-vml .cufon-alt{position:absolute;left:-10000in;font-size:1px}a .cufon-vml{cursor:pointer}}@media print{.cufon-vml *{display:none}.cufon-vml .cufon-alt{display:inline}}</style>'),function(c,d,e,f,g,h,i){var j=null===d;j&&(d=g.alt);var k=c.viewBox,l=e.computedFontSize||(e.computedFontSize=new Cufon.CSS.Size(a(h,e.get("fontSize"))+"px",c.baseSize)),m=e.computedLSpacing;m==undefined&&(m=e.get("letterSpacing"),e.computedLSpacing=m="normal"==m?0:~~l.convertFrom(b(h,m)));var n,o;if(j)n=g,o=g.firstChild;else{if(n=fabric.document.createElement("span"),n.className="cufon cufon-vml",n.alt=d,o=fabric.document.createElement("span"),o.className="cufon-vml-canvas",n.appendChild(o),f.printable){var p=fabric.document.createElement("span");p.className="cufon-alt",p.appendChild(fabric.document.createTextNode(d)),n.appendChild(p)}i||n.appendChild(fabric.document.createElement("cvml:shape"))}var q=n.style,r=o.style,s=l.convert(k.height),t=Math.ceil(s),u=t/s,v=k.minX,w=k.minY;r.height=t,r.top=Math.round(l.convert(w-c.ascent)),r.left=Math.round(l.convert(v)),q.height=l.convert(c.height)+"px";for(var x,y,z=(Cufon.getTextDecoration(f),e.get("color")),A=Cufon.CSS.textTransform(d,e).split(""),B=0,C=0,D=null,E=f.textShadow,F=0,G=0,H=A.length;H>F;++F)x=c.glyphs[A[F]]||c.missingGlyph,x&&(B+=D=~~(x.w||c.w)+m);if(null===D)return null;var I,J=-v+B+(k.width-D),K=l.convert(J*u),L=Math.round(K),M=J+","+k.height,N="r"+M+"nsnf";for(F=0;H>F;++F)if(x=c.glyphs[A[F]]||c.missingGlyph){j?(y=o.childNodes[G],y.firstChild&&y.removeChild(y.firstChild)):(y=fabric.document.createElement("cvml:shape"),o.appendChild(y)),y.stroked="f",y.coordsize=M,y.coordorigin=I=v-C+","+w,y.path=(x.d?"m"+x.d+"xe":"")+"m"+I+N,y.fillcolor=z;var O=y.style;if(O.width=L,O.height=t,E){var P,Q=E[0],R=E[1],S=Cufon.CSS.color(Q.color),T=fabric.document.createElement("cvml:shadow");T.on="t",T.color=S.color,T.offset=Q.offX+","+Q.offY,R&&(P=Cufon.CSS.color(R.color),T.type="double",T.color2=P.color,T.offset2=R.offX+","+R.offY),T.opacity=S.opacity||P&&P.opacity||1,y.appendChild(T)}C+=~~(x.w||c.w)+m,++G}return q.width=Math.max(Math.ceil(l.convert(B*u)),0),n}}}}()),Cufon.getTextDecoration=function(a){return{underline:"underline"===a.textDecoration,overline:"overline"===a.textDecoration,"line-through":"line-through"===a.textDecoration}},"undefined"!=typeof exports&&(exports.Cufon=Cufon),"object"!=typeof JSON&&(JSON={}),function(){"use strict";function f(a){return 10>a?"0"+a:a}function quote(a){return escapable.lastIndex=0,escapable.test(a)?'"'+a.replace(escapable,function(a){var b=meta[a];return"string"==typeof b?b:"\\u"+("0000"+a.charCodeAt(0).toString(16)).slice(-4)})+'"':'"'+a+'"'}function str(a,b){var c,d,e,f,g,h=gap,i=b[a];switch(i&&"object"==typeof i&&"function"==typeof i.toJSON&&(i=i.toJSON(a)),"function"==typeof rep&&(i=rep.call(b,a,i)),typeof i){case"string":return quote(i);case"number":return isFinite(i)?String(i):"null";case"boolean":case"null":return String(i);case"object":if(!i)return"null";if(gap+=indent,g=[],"[object Array]"===Object.prototype.toString.apply(i)){for(f=i.length,c=0;f>c;c+=1)g[c]=str(c,i)||"null";return e=0===g.length?"[]":gap?"[\n"+gap+g.join(",\n"+gap)+"\n"+h+"]":"["+g.join(",")+"]",gap=h,e}if(rep&&"object"==typeof rep)for(f=rep.length,c=0;f>c;c+=1)"string"==typeof rep[c]&&(d=rep[c],e=str(d,i),e&&g.push(quote(d)+(gap?": ":":")+e));else for(d in i)Object.prototype.hasOwnProperty.call(i,d)&&(e=str(d,i),e&&g.push(quote(d)+(gap?": ":":")+e));return e=0===g.length?"{}":gap?"{\n"+gap+g.join(",\n"+gap)+"\n"+h+"}":"{"+g.join(",")+"}",gap=h,e}}"function"!=typeof Date.prototype.toJSON&&(Date.prototype.toJSON=function(){return isFinite(this.valueOf())?this.getUTCFullYear()+"-"+f(this.getUTCMonth()+1)+"-"+f(this.getUTCDate())+"T"+f(this.getUTCHours())+":"+f(this.getUTCMinutes())+":"+f(this.getUTCSeconds())+"Z":null},String.prototype.toJSON=Number.prototype.toJSON=Boolean.prototype.toJSON=function(){return this.valueOf()});var cx,escapable,gap,indent,meta,rep;"function"!=typeof JSON.stringify&&(escapable=/[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,meta={"\b":"\\b"," ":"\\t","\n":"\\n","\f":"\\f","\r":"\\r",'"':'\\"',"\\":"\\\\"},JSON.stringify=function(a,b,c){var d;if(gap="",indent="","number"==typeof c)for(d=0;c>d;d+=1)indent+=" ";else"string"==typeof c&&(indent=c);if(rep=b,b&&"function"!=typeof b&&("object"!=typeof b||"number"!=typeof b.length))throw new Error("JSON.stringify");return str("",{"":a})}),"function"!=typeof JSON.parse&&(cx=/[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,JSON.parse=function(text,reviver){function walk(a,b){var c,d,e=a[b];if(e&&"object"==typeof e)for(c in e)Object.prototype.hasOwnProperty.call(e,c)&&(d=walk(e,c),d!==undefined?e[c]=d:delete e[c]);return reviver.call(a,b,e)}var j;if(text=String(text),cx.lastIndex=0,cx.test(text)&&(text=text.replace(cx,function(a){return"\\u"+("0000"+a.charCodeAt(0).toString(16)).slice(-4)})),/^[\],:{}\s]*$/.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,"@").replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,"]").replace(/(?:^|:|,)(?:\s*\[)+/g,"")))return j=eval("("+text+")"),"function"==typeof reviver?walk({"":j},""):j;throw new SyntaxError("JSON.parse")})}(),function(){function a(a,b){this.__eventListeners[a]&&(b?fabric.util.removeFromArray(this.__eventListeners[a],b):this.__eventListeners[a].length=0)}function b(a,b){if(this.__eventListeners||(this.__eventListeners={}),1===arguments.length)for(var c in a)this.on(c,a[c]);else this.__eventListeners[a]||(this.__eventListeners[a]=[]),this.__eventListeners[a].push(b);return this}function c(b,c){if(this.__eventListeners){if(0===arguments.length)this.__eventListeners={};else if(1===arguments.length&&"object"==typeof arguments[0])for(var d in b)a.call(this,d,b[d]);else a.call(this,b,c);return this}}function d(a,b){if(this.__eventListeners){var c=this.__eventListeners[a];if(c){for(var d=0,e=c.length;e>d;d++)c[d].call(this,b||{});return this}}}fabric.Observable={observe:b,stopObserving:c,fire:d,on:b,off:c,trigger:d}}(),fabric.Collection={add:function(){this._objects.push.apply(this._objects,arguments);for(var a=0,b=arguments.length;b>a;a++)this._onObjectAdded(arguments[a]);return this.renderOnAddRemove&&this.renderAll(),this},insertAt:function(a,b,c){var d=this.getObjects();return c?d[b]=a:d.splice(b,0,a),this._onObjectAdded(a),this.renderOnAddRemove&&this.renderAll(),this},remove:function(){for(var a,b=this.getObjects(),c=0,d=arguments.length;d>c;c++)a=b.indexOf(arguments[c]),-1!==a&&(b.splice(a,1),this._onObjectRemoved(arguments[c]));return this.renderOnAddRemove&&this.renderAll(),this},forEachObject:function(a,b){for(var c=this.getObjects(),d=c.length;d--;)a.call(b,c[d],d,c);return this},getObjects:function(a){return"undefined"==typeof a?this._objects:this._objects.filter(function(b){return b.type===a})},item:function(a){return this.getObjects()[a]},isEmpty:function(){return 0===this.getObjects().length},size:function(){return this.getObjects().length},contains:function(a){return this.getObjects().indexOf(a)>-1},complexity:function(){return this.getObjects().reduce(function(a,b){return a+=b.complexity?b.complexity():0},0)}},function(a){var b=Math.sqrt,c=Math.atan2,d=Math.PI/180;fabric.util={removeFromArray:function(a,b){var c=a.indexOf(b);return-1!==c&&a.splice(c,1),a},getRandomInt:function(a,b){return Math.floor(Math.random()*(b-a+1))+a},degreesToRadians:function(a){return a*d},radiansToDegrees:function(a){return a/d},rotatePoint:function(a,b,c){var d=Math.sin(c),e=Math.cos(c);a.subtractEquals(b);var f=a.x*e-a.y*d,g=a.x*d+a.y*e;return new fabric.Point(f,g).addEquals(b)},transformPoint:function(a,b,c){return c?new fabric.Point(b[0]*a.x+b[1]*a.y,b[2]*a.x+b[3]*a.y):new fabric.Point(b[0]*a.x+b[1]*a.y+b[4],b[2]*a.x+b[3]*a.y+b[5])},invertTransform:function(a){var b=a.slice(),c=1/(a[0]*a[3]-a[1]*a[2]);b=[c*a[3],-c*a[1],-c*a[2],c*a[0],0,0];var d=fabric.util.transformPoint({x:a[4],y:a[5]},b);return b[4]=-d.x,b[5]=-d.y,b},toFixed:function(a,b){return parseFloat(Number(a).toFixed(b))},parseUnit:function(a){var b=/\D{0,2}$/.exec(a),c=parseFloat(a);switch(b[0]){case"mm":return c*fabric.DPI/25.4;case"cm":return c*fabric.DPI/2.54;case"in":return c*fabric.DPI;case"pt":return c*fabric.DPI/72;case"pc":return c*fabric.DPI/72*12;default:return c}},falseFunction:function(){return!1},getKlass:function(a,b){return a=fabric.util.string.camelize(a.charAt(0).toUpperCase()+a.slice(1)),fabric.util.resolveNamespace(b)[a]},resolveNamespace:function(b){if(!b)return fabric;for(var c=b.split("."),d=c.length,e=a||fabric.window,f=0;d>f;++f)e=e[c[f]];return e},loadImage:function(a,b,c,d){if(!a)return void(b&&b.call(c,a));var e=fabric.util.createImage();e.onload=function(){b&&b.call(c,e),e=e.onload=e.onerror=null},e.onerror=function(){fabric.log("Error loading 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a||(a=fabric.document.createElement("canvas")),a.getContext||"undefined"==typeof G_vmlCanvasManager||G_vmlCanvasManager.initElement(a),a},createImage:function(){return fabric.isLikelyNode?new(require("canvas").Image):fabric.document.createElement("img")},createAccessors:function(a){for(var b=a.prototype,c=b.stateProperties.length;c--;){var d=b.stateProperties[c],e=d.charAt(0).toUpperCase()+d.slice(1),f="set"+e,g="get"+e;b[g]||(b[g]=function(a){return new Function('return this.get("'+a+'")')}(d)),b[f]||(b[f]=function(a){return new Function("value",'return this.set("'+a+'", value)')}(d))}},clipContext:function(a,b){b.save(),b.beginPath(),a.clipTo(b),b.clip()},multiplyTransformMatrices:function(a,b){for(var c=[[a[0],a[2],a[4]],[a[1],a[3],a[5]],[0,0,1]],d=[[b[0],b[2],b[4]],[b[1],b[3],b[5]],[0,0,1]],e=[],f=0;3>f;f++){e[f]=[];for(var g=0;3>g;g++){for(var 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H=Math.ceil(Math.abs(G/(.5*m))),I=[],J=G/H,K=8/3*Math.sin(J/4)*Math.sin(J/4)/Math.sin(J/2),L=F+J,M=0;H>M;M++)I[M]=b(F,L,p,o,g,h,D,E,K,q,r),q=I[M][4],r=I[M][5],F+=J,L+=J;return d[l]=I,I}function b(a,b,c,d,g,h,i,j,k,l,m){var n=f.call(arguments);if(e[n])return e[n];var o=Math.cos(a),p=Math.sin(a),q=Math.cos(b),r=Math.sin(b),s=c*g*q-d*h*r+i,t=d*g*q+c*h*r+j,u=l+k*(-c*g*p-d*h*o),v=m+k*(-d*g*p+c*h*o),w=s+k*(c*g*r+d*h*q),x=t+k*(d*g*r-c*h*q);return e[n]=[u,v,w,x,s,t],e[n]}function c(a,b,c,d){var e=Math.atan2(b,a),f=Math.atan2(d,c);return f>=e?f-e:2*Math.PI-(e-f)}var d={},e={},f=Array.prototype.join;fabric.util.drawArc=function(b,c,d,e){for(var f=e[0],g=e[1],h=e[2],i=e[3],j=e[4],k=e[5],l=e[6],m=[[],[],[],[]],n=a(k-c,l-d,f,g,i,j,h),o=0,p=n.length;p>o;o++)m[o][0]=n[o][0]+c,m[o][1]=n[o][1]+d,m[o][2]=n[o][2]+c,m[o][3]=n[o][3]+d,m[o][4]=n[o][4]+c,m[o][5]=n[o][5]+d,b.bezierCurveTo.apply(b,m[o])}}(),function(){function a(a,b){for(var c=e.call(arguments,2),d=[],f=0,g=a.length;g>f;f++)d[f]=c.length?a[f][b].apply(a[f],c):a[f][b].call(a[f]);return d}function b(a,b){return d(a,b,function(a,b){return a>=b})}function c(a,b){return d(a,b,function(a,b){return b>a})}function d(a,b,c){if(a&&0!==a.length){var d=a.length-1,e=b?a[d][b]:a[d];if(b)for(;d--;)c(a[d][b],e)&&(e=a[d][b]);else for(;d--;)c(a[d],e)&&(e=a[d]);return e}}var e=Array.prototype.slice;fabric.util.array={invoke:a,min:c,max:b}}(),function(){function a(a,b){for(var c in b)a[c]=b[c];return a}function b(b){return a({},b)}fabric.util.object={extend:a,clone:b}}(),function(){function a(a){return a.replace(/-+(.)?/g,function(a,b){return b?b.toUpperCase():""})}function b(a,b){return a.charAt(0).toUpperCase()+(b?a.slice(1):a.slice(1).toLowerCase())}function c(a){return a.replace(/&/g,"&").replace(/"/g,""").replace(/'/g,"'").replace(/</g,"<").replace(/>/g,">")}fabric.util.string={camelize:a,capitalize:b,escapeXml:c}}(),function(){function a(){}function b(a){var b=this.constructor.superclass.prototype[a];return arguments.length>1?b.apply(this,d.call(arguments,1)):b.call(this)}function c(){function c(){this.initialize.apply(this,arguments)}var f=null,h=d.call(arguments,0);"function"==typeof h[0]&&(f=h.shift()),c.superclass=f,c.subclasses=[],f&&(a.prototype=f.prototype,c.prototype=new a,f.subclasses.push(c));for(var i=0,j=h.length;j>i;i++)g(c,h[i],f);return c.prototype.initialize||(c.prototype.initialize=e),c.prototype.constructor=c,c.prototype.callSuper=b,c}var d=Array.prototype.slice,e=function(){},f=function(){for(var a in{toString:1})if("toString"===a)return!1;return!0}(),g=function(a,b,c){for(var d in b)a.prototype[d]=d in a.prototype&&"function"==typeof a.prototype[d]&&(b[d]+"").indexOf("callSuper")>-1?function(a){return function(){var d=this.constructor.superclass;this.constructor.superclass=c;var e=b[a].apply(this,arguments);return this.constructor.superclass=d,"initialize"!==a?e:void 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function(b){return b.__uniqueID||(b.__uniqueID="uniqueID__"+a++)}}();!function(){var a={};g=function(b){return a[b]},h=function(b,c){a[b]=c}}();var k,l,m=a(fabric.document.documentElement,"addEventListener","removeEventListener")&&a(fabric.window,"addEventListener","removeEventListener"),n=a(fabric.document.documentElement,"attachEvent","detachEvent")&&a(fabric.window,"attachEvent","detachEvent"),o={},p={};m?(k=function(a,b,c){a.addEventListener(b,c,!1)},l=function(a,b,c){a.removeEventListener(b,c,!1)}):n?(k=function(a,c,d){var e=j(a);h(e,a),o[e]||(o[e]={}),o[e][c]||(o[e][c]=[]);var f=b(e,d);o[e][c].push(f),a.attachEvent("on"+c,f.wrappedHandler)},l=function(a,b,c){var d,e=j(a);if(o[e]&&o[e][b])for(var f=0,g=o[e][b].length;g>f;f++)d=o[e][b][f],d&&d.handler===c&&(a.detachEvent("on"+b,d.wrappedHandler),o[e][b][f]=null)}):(k=function(a,b,c){var e=j(a);if(p[e]||(p[e]={}),!p[e][b]){p[e][b]=[];var f=a["on"+b];f&&p[e][b].push(f),a["on"+b]=d(e,b)}p[e][b].push(c)},l=function(a,b,c){var d=j(a);if(p[d]&&p[d][b])for(var e=p[d][b],f=0,g=e.length;g>f;f++)e[f]===c&&e.splice(f,1)}),fabric.util.addListener=k,fabric.util.removeListener=l;var q=function(a){return typeof a.clientX!==i?a.clientX:0},r=function(a){return typeof a.clientY!==i?a.clientY:0};fabric.isTouchSupported&&(q=function(a){return f(a,"pageX","clientX")},r=function(a){return f(a,"pageY","clientY")
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c=a.fabric||(a.fabric={});return c.Point?void c.warn("fabric.Point is already defined"):(c.Point=b,void(b.prototype={constructor:b,add:function(a){return new b(this.x+a.x,this.y+a.y)},addEquals:function(a){return this.x+=a.x,this.y+=a.y,this},scalarAdd:function(a){return new b(this.x+a,this.y+a)},scalarAddEquals:function(a){return this.x+=a,this.y+=a,this},subtract:function(a){return new b(this.x-a.x,this.y-a.y)},subtractEquals:function(a){return this.x-=a.x,this.y-=a.y,this},scalarSubtract:function(a){return new b(this.x-a,this.y-a)},scalarSubtractEquals:function(a){return this.x-=a,this.y-=a,this},multiply:function(a){return new b(this.x*a,this.y*a)},multiplyEquals:function(a){return this.x*=a,this.y*=a,this},divide:function(a){return new b(this.x/a,this.y/a)},divideEquals:function(a){return this.x/=a,this.y/=a,this},eq:function(a){return this.x===a.x&&this.y===a.y},lt:function(a){return this.x<a.x&&this.y<a.y},lte:function(a){return this.x<=a.x&&this.y<=a.y},gt:function(a){return this.x>a.x&&this.y>a.y},gte:function(a){return this.x>=a.x&&this.y>=a.y},lerp:function(a,c){return new b(this.x+(a.x-this.x)*c,this.y+(a.y-this.y)*c)},distanceFrom:function(a){var b=this.x-a.x,c=this.y-a.y;return Math.sqrt(b*b+c*c)},midPointFrom:function(a){return new b(this.x+(a.x-this.x)/2,this.y+(a.y-this.y)/2)},min:function(a){return new b(Math.min(this.x,a.x),Math.min(this.y,a.y))},max:function(a){return new b(Math.max(this.x,a.x),Math.max(this.y,a.y))},toString:function(){return this.x+","+this.y},setXY:function(a,b){this.x=a,this.y=b},setFromPoint:function(a){this.x=a.x,this.y=a.y},swap:function(a){var b=this.x,c=this.y;this.x=a.x,this.y=a.y,a.x=b,a.y=c}}))}("undefined"!=typeof exports?exports:this),function(a){"use strict";function b(a){this.status=a,this.points=[]}var c=a.fabric||(a.fabric={});return c.Intersection?void c.warn("fabric.Intersection is already defined"):(c.Intersection=b,c.Intersection.prototype={appendPoint:function(a){this.points.push(a)},appendPoints:function(a){this.points=this.points.concat(a)}},c.Intersection.intersectLineLine=function(a,d,e,f){var g,h=(f.x-e.x)*(a.y-e.y)-(f.y-e.y)*(a.x-e.x),i=(d.x-a.x)*(a.y-e.y)-(d.y-a.y)*(a.x-e.x),j=(f.y-e.y)*(d.x-a.x)-(f.x-e.x)*(d.y-a.y);if(0!==j){var k=h/j,l=i/j;k>=0&&1>=k&&l>=0&&1>=l?(g=new b("Intersection"),g.points.push(new c.Point(a.x+k*(d.x-a.x),a.y+k*(d.y-a.y)))):g=new b}else g=new b(0===h||0===i?"Coincident":"Parallel");return g},c.Intersection.intersectLinePolygon=function(a,c,d){for(var e=new b,f=d.length,g=0;f>g;g++){var h=d[g],i=d[(g+1)%f],j=b.intersectLineLine(a,c,h,i);e.appendPoints(j.points)}return e.points.length>0&&(e.status="Intersection"),e},c.Intersection.intersectPolygonPolygon=function(a,c){for(var d=new b,e=a.length,f=0;e>f;f++){var g=a[f],h=a[(f+1)%e],i=b.intersectLinePolygon(g,h,c);d.appendPoints(i.points)}return d.points.length>0&&(d.status="Intersection"),d},void(c.Intersection.intersectPolygonRectangle=function(a,d,e){var f=d.min(e),g=d.max(e),h=new c.Point(g.x,f.y),i=new c.Point(f.x,g.y),j=b.intersectLinePolygon(f,h,a),k=b.intersectLinePolygon(h,g,a),l=b.intersectLinePolygon(g,i,a),m=b.intersectLinePolygon(i,f,a),n=new b;return n.appendPoints(j.points),n.appendPoints(k.points),n.appendPoints(l.points),n.appendPoints(m.points),n.points.length>0&&(n.status="Intersection"),n}))}("undefined"!=typeof exports?exports:this),function(a){"use strict";function b(a){a?this._tryParsingColor(a):this.setSource([0,0,0,1])}function c(a,b,c){return 0>c&&(c+=1),c>1&&(c-=1),1/6>c?a+6*(b-a)*c:.5>c?b:2/3>c?a+(b-a)*(2/3-c)*6:a}var d=a.fabric||(a.fabric={});return d.Color?void d.warn("fabric.Color is already defined."):(d.Color=b,d.Color.prototype={_tryParsingColor:function(a){var c;return a in b.colorNameMap&&(a=b.colorNameMap[a]),"transparent"===a?void this.setSource([255,255,255,0]):(c=b.sourceFromHex(a),c||(c=b.sourceFromRgb(a)),c||(c=b.sourceFromHsl(a)),void(c&&this.setSource(c)))},_rgbToHsl:function(a,b,c){a/=255,b/=255,c/=255;var e,f,g,h=d.util.array.max([a,b,c]),i=d.util.array.min([a,b,c]);if(g=(h+i)/2,h===i)e=f=0;else{var j=h-i;switch(f=g>.5?j/(2-h-i):j/(h+i),h){case a:e=(b-c)/j+(c>b?6:0);break;case b:e=(c-a)/j+2;break;case c:e=(a-b)/j+4}e/=6}return[Math.round(360*e),Math.round(100*f),Math.round(100*g)]},getSource:function(){return this._source},setSource:function(a){this._source=a},toRgb:function(){var a=this.getSource();return"rgb("+a[0]+","+a[1]+","+a[2]+")"},toRgba:function(){var a=this.getSource();return"rgba("+a[0]+","+a[1]+","+a[2]+","+a[3]+")"},toHsl:function(){var a=this.getSource(),b=this._rgbToHsl(a[0],a[1],a[2]);return"hsl("+b[0]+","+b[1]+"%,"+b[2]+"%)"},toHsla:function(){var a=this.getSource(),b=this._rgbToHsl(a[0],a[1],a[2]);return"hsla("+b[0]+","+b[1]+"%,"+b[2]+"%,"+a[3]+")"},toHex:function(){var a,b,c,d=this.getSource();return a=d[0].toString(16),a=1===a.length?"0"+a:a,b=d[1].toString(16),b=1===b.length?"0"+b:b,c=d[2].toString(16),c=1===c.length?"0"+c:c,a.toUpperCase()+b.toUpperCase()+c.toUpperCase()},getAlpha:function(){return this.getSource()[3]},setAlpha:function(a){var b=this.getSource();return b[3]=a,this.setSource(b),this},toGrayscale:function(){var a=this.getSource(),b=parseInt((.3*a[0]+.59*a[1]+.11*a[2]).toFixed(0),10),c=a[3];return this.setSource([b,b,b,c]),this},toBlackWhite:function(a){var b=this.getSource(),c=(.3*b[0]+.59*b[1]+.11*b[2]).toFixed(0),d=b[3];return a=a||127,c=Number(c)<Number(a)?0:255,this.setSource([c,c,c,d]),this},overlayWith:function(a){a instanceof b||(a=new b(a));for(var c=[],d=this.getAlpha(),e=.5,f=this.getSource(),g=a.getSource(),h=0;3>h;h++)c.push(Math.round(f[h]*(1-e)+g[h]*e));return c[3]=d,this.setSource(c),this}},d.Color.reRGBa=/^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/,d.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/,d.Color.reHex=/^#?([0-9a-f]{6}|[0-9a-f]{3})$/i,d.Color.colorNameMap={aqua:"#00FFFF",black:"#000000",blue:"#0000FF",fuchsia:"#FF00FF",gray:"#808080",green:"#008000",lime:"#00FF00",maroon:"#800000",navy:"#000080",olive:"#808000",orange:"#FFA500",purple:"#800080",red:"#FF0000",silver:"#C0C0C0",teal:"#008080",white:"#FFFFFF",yellow:"#FFFF00"},d.Color.fromRgb=function(a){return b.fromSource(b.sourceFromRgb(a))},d.Color.sourceFromRgb=function(a){var c=a.match(b.reRGBa);if(c){var d=parseInt(c[1],10)/(/%$/.test(c[1])?100:1)*(/%$/.test(c[1])?255:1),e=parseInt(c[2],10)/(/%$/.test(c[2])?100:1)*(/%$/.test(c[2])?255:1),f=parseInt(c[3],10)/(/%$/.test(c[3])?100:1)*(/%$/.test(c[3])?255:1);return[parseInt(d,10),parseInt(e,10),parseInt(f,10),c[4]?parseFloat(c[4]):1]}},d.Color.fromRgba=b.fromRgb,d.Color.fromHsl=function(a){return b.fromSource(b.sourceFromHsl(a))},d.Color.sourceFromHsl=function(a){var d=a.match(b.reHSLa);if(d){var e,f,g,h=(parseFloat(d[1])%360+360)%360/360,i=parseFloat(d[2])/(/%$/.test(d[2])?100:1),j=parseFloat(d[3])/(/%$/.test(d[3])?100:1);if(0===i)e=f=g=j;else{var k=.5>=j?j*(i+1):j+i-j*i,l=2*j-k;e=c(l,k,h+1/3),f=c(l,k,h),g=c(l,k,h-1/3)}return[Math.round(255*e),Math.round(255*f),Math.round(255*g),d[4]?parseFloat(d[4]):1]}},d.Color.fromHsla=b.fromHsl,d.Color.fromHex=function(a){return b.fromSource(b.sourceFromHex(a))},d.Color.sourceFromHex=function(a){if(a.match(b.reHex)){var c=a.slice(a.indexOf("#")+1),d=3===c.length,e=d?c.charAt(0)+c.charAt(0):c.substring(0,2),f=d?c.charAt(1)+c.charAt(1):c.substring(2,4),g=d?c.charAt(2)+c.charAt(2):c.substring(4,6);return[parseInt(e,16),parseInt(f,16),parseInt(g,16),1]}},void(d.Color.fromSource=function(a){var c=new b;return c.setSource(a),c}))}("undefined"!=typeof exports?exports:this),function(){function a(a){var b,c,d,e=a.getAttribute("style"),f=a.getAttribute("offset");if(f=parseFloat(f)/(/%$/.test(f)?100:1),f=0>f?0:f>1?1:f,e){var g=e.split(/\s*;\s*/);""===g[g.length-1]&&g.pop();for(var h=g.length;h--;){var i=g[h].split(/\s*:\s*/),j=i[0].trim(),k=i[1].trim();"stop-color"===j?b=k:"stop-opacity"===j&&(d=k)}}return b||(b=a.getAttribute("stop-color")||"rgb(0,0,0)"),d||(d=a.getAttribute("stop-opacity")),b=new fabric.Color(b),c=b.getAlpha(),d=isNaN(parseFloat(d))?1:parseFloat(d),d*=c,{offset:f,color:b.toRgb(),opacity:d}}function b(a){return{x1:a.getAttribute("x1")||0,y1:a.getAttribute("y1")||0,x2:a.getAttribute("x2")||"100%",y2:a.getAttribute("y2")||0}}function c(a){return{x1:a.getAttribute("fx")||a.getAttribute("cx")||"50%",y1:a.getAttribute("fy")||a.getAttribute("cy")||"50%",r1:0,x2:a.getAttribute("cx")||"50%",y2:a.getAttribute("cy")||"50%",r2:a.getAttribute("r")||"50%"}}function d(a,b,c){var d,e=0,f=1,g="";for(var h in b)d=parseFloat(b[h],10),f="string"==typeof b[h]&&/^\d+%$/.test(b[h])?.01:1,"x1"===h||"x2"===h||"r2"===h?(f*="objectBoundingBox"===c?a.width:1,e="objectBoundingBox"===c?a.left||0:0):("y1"===h||"y2"===h)&&(f*="objectBoundingBox"===c?a.height:1,e="objectBoundingBox"===c?a.top||0:0),b[h]=d*f+e;if("ellipse"===a.type&&null!==b.r2&&"objectBoundingBox"===c&&a.rx!==a.ry){var i=a.ry/a.rx;g=" scale(1, "+i+")",b.y1&&(b.y1/=i),b.y2&&(b.y2/=i)}return g}fabric.Gradient=fabric.util.createClass({offsetX:0,offsetY:0,initialize:function(a){a||(a={});var b={};this.id=fabric.Object.__uid++,this.type=a.type||"linear",b={x1:a.coords.x1||0,y1:a.coords.y1||0,x2:a.coords.x2||0,y2:a.coords.y2||0},"radial"===this.type&&(b.r1=a.coords.r1||0,b.r2=a.coords.r2||0),this.coords=b,this.colorStops=a.colorStops.slice(),a.gradientTransform&&(this.gradientTransform=a.gradientTransform),this.offsetX=a.offsetX||this.offsetX,this.offsetY=a.offsetY||this.offsetY},addColorStop:function(a){for(var b in a){var c=new fabric.Color(a[b]);this.colorStops.push({offset:b,color:c.toRgb(),opacity:c.getAlpha()})}return this},toObject:function(){return{type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY}},toSVG:function(a){var b,c,d=fabric.util.object.clone(this.coords);if(this.colorStops.sort(function(a,b){return a.offset-b.offset}),!a.group||"path-group"!==a.group.type)for(var e in d)"x1"===e||"x2"===e||"r2"===e?d[e]+=this.offsetX-a.width/2:("y1"===e||"y2"===e)&&(d[e]+=this.offsetY-a.height/2);c='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"',this.gradientTransform&&(c+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),"linear"===this.type?b=["<linearGradient ",c,' x1="',d.x1,'" y1="',d.y1,'" x2="',d.x2,'" y2="',d.y2,'">\n']:"radial"===this.type&&(b=["<radialGradient ",c,' cx="',d.x2,'" cy="',d.y2,'" r="',d.r2,'" fx="',d.x1,'" fy="',d.y1,'">\n']);for(var f=0;f<this.colorStops.length;f++)b.push("<stop ",'offset="',100*this.colorStops[f].offset+"%",'" style="stop-color:',this.colorStops[f].color,null!=this.colorStops[f].opacity?";stop-opacity: "+this.colorStops[f].opacity:";",'"/>\n');return b.push("linear"===this.type?"</linearGradient>\n":"</radialGradient>\n"),b.join("")},toLive:function(a){var b;if(this.type){"linear"===this.type?b=a.createLinearGradient(this.coords.x1,this.coords.y1,this.coords.x2,this.coords.y2):"radial"===this.type&&(b=a.createRadialGradient(this.coords.x1,this.coords.y1,this.coords.r1,this.coords.x2,this.coords.y2,this.coords.r2));for(var c=0,d=this.colorStops.length;d>c;c++){var e=this.colorStops[c].color,f=this.colorStops[c].opacity,g=this.colorStops[c].offset;"undefined"!=typeof f&&(e=new fabric.Color(e).setAlpha(f).toRgba()),b.addColorStop(parseFloat(g),e)}return b}}}),fabric.util.object.extend(fabric.Gradient,{fromElement:function(e,f){var g,h=e.getElementsByTagName("stop"),i="linearGradient"===e.nodeName?"linear":"radial",j=e.getAttribute("gradientUnits")||"objectBoundingBox",k=e.getAttribute("gradientTransform"),l=[],m={};"linear"===i?m=b(e):"radial"===i&&(m=c(e));for(var n=h.length;n--;)l.push(a(h[n]));g=d(f,m,j);var o=new fabric.Gradient({type:i,coords:m,colorStops:l,offsetX:-f.left,offsetY:-f.top});return(k||""!==g)&&(o.gradientTransform=fabric.parseTransformAttribute((k||"")+g)),o},forObject:function(a,b){return b||(b={}),d(a,b.coords,"userSpaceOnUse"),new fabric.Gradient(b)}})}(),fabric.Pattern=fabric.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,initialize:function(a){if(a||(a={}),this.id=fabric.Object.__uid++,a.source)if("string"==typeof a.source)if("undefined"!=typeof fabric.util.getFunctionBody(a.source))this.source=new Function(fabric.util.getFunctionBody(a.source));else{var b=this;this.source=fabric.util.createImage(),fabric.util.loadImage(a.source,function(a){b.source=a})}else this.source=a.source;a.repeat&&(this.repeat=a.repeat),a.offsetX&&(this.offsetX=a.offsetX),a.offsetY&&(this.offsetY=a.offsetY)},toObject:function(){var a;return"function"==typeof this.source?a=String(this.source):"string"==typeof this.source.src&&(a=this.source.src),{source:a,repeat:this.repeat,offsetX:this.offsetX,offsetY:this.offsetY}},toSVG:function(a){var b="function"==typeof this.source?this.source():this.source,c=b.width/a.getWidth(),d=b.height/a.getHeight(),e="";return b.src?e=b.src:b.toDataURL&&(e=b.toDataURL()),'<pattern id="SVGID_'+this.id+'" x="'+this.offsetX+'" y="'+this.offsetY+'" width="'+c+'" height="'+d+'"><image x="0" y="0" width="'+b.width+'" height="'+b.height+'" xlink:href="'+e+'"></image></pattern>'},toLive:function(a){var b="function"==typeof this.source?this.source():this.source;if(!b)return"";if("undefined"!=typeof b.src){if(!b.complete)return"";if(0===b.naturalWidth||0===b.naturalHeight)return""}return a.createPattern(b,this.repeat)}}),function(a){"use strict";var b=a.fabric||(a.fabric={});return b.Shadow?void b.warn("fabric.Shadow is already defined."):(b.Shadow=b.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(a){"string"==typeof a&&(a=this._parseShadow(a));for(var c in a)this[c]=a[c];this.id=b.Object.__uid++},_parseShadow:function(a){var c=a.trim(),d=b.Shadow.reOffsetsAndBlur.exec(c)||[],e=c.replace(b.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:e.trim(),offsetX:parseInt(d[1],10)||0,offsetY:parseInt(d[2],10)||0,blur:parseInt(d[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(a){var b="SourceAlpha";return!a||a.fill!==this.color&&a.stroke!==this.color||(b="SourceGraphic"),'<filter id="SVGID_'+this.id+'" y="-40%" height="180%"><feGaussianBlur in="'+b+'" stdDeviation="'+(this.blur?this.blur/3:0)+'"></feGaussianBlur><feOffset dx="'+this.offsetX+'" dy="'+this.offsetY+'"></feOffset><feMerge><feMergeNode></feMergeNode><feMergeNode in="SourceGraphic"></feMergeNode></feMerge></filter>'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY};var a={},c=b.Shadow.prototype;return this.color!==c.color&&(a.color=this.color),this.blur!==c.blur&&(a.blur=this.blur),this.offsetX!==c.offsetX&&(a.offsetX=this.offsetX),this.offsetY!==c.offsetY&&(a.offsetY=this.offsetY),a}}),void(b.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/))}("undefined"!=typeof exports?exports:this),function(){"use strict";if(fabric.StaticCanvas)return void fabric.warn("fabric.StaticCanvas is already defined.");var a=fabric.util.object.extend,b=fabric.util.getElementOffset,c=fabric.util.removeFromArray,d=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass({initialize:function(a,b){b||(b={}),this._initStatic(a,b),fabric.StaticCanvas.activeInstance=this
|
|
},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!0,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:[1,0,0,1,0,0],onBeforeScaleRotate:function(){},_initStatic:function(a,b){this._objects=[],this._createLowerCanvas(a),this._initOptions(b),this._setImageSmoothing(),b.overlayImage&&this.setOverlayImage(b.overlayImage,this.renderAll.bind(this)),b.backgroundImage&&this.setBackgroundImage(b.backgroundImage,this.renderAll.bind(this)),b.backgroundColor&&this.setBackgroundColor(b.backgroundColor,this.renderAll.bind(this)),b.overlayColor&&this.setOverlayColor(b.overlayColor,this.renderAll.bind(this)),this.calcOffset()},calcOffset:function(){return this._offset=b(this.lowerCanvasEl),this},setOverlayImage:function(a,b,c){return this.__setBgOverlayImage("overlayImage",a,b,c)},setBackgroundImage:function(a,b,c){return this.__setBgOverlayImage("backgroundImage",a,b,c)},setOverlayColor:function(a,b){return this.__setBgOverlayColor("overlayColor",a,b)},setBackgroundColor:function(a,b){return this.__setBgOverlayColor("backgroundColor",a,b)},_setImageSmoothing:function(){var a=this.getContext();a.imageSmoothingEnabled=this.imageSmoothingEnabled,a.webkitImageSmoothingEnabled=this.imageSmoothingEnabled,a.mozImageSmoothingEnabled=this.imageSmoothingEnabled,a.msImageSmoothingEnabled=this.imageSmoothingEnabled,a.oImageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(a,b,c,d){return"string"==typeof b?fabric.util.loadImage(b,function(b){this[a]=new fabric.Image(b,d),c&&c()},this):(this[a]=b,c&&c()),this},__setBgOverlayColor:function(a,b,c){if(b&&b.source){var d=this;fabric.util.loadImage(b.source,function(e){d[a]=new fabric.Pattern({source:e,repeat:b.repeat,offsetX:b.offsetX,offsetY:b.offsetY}),c&&c()})}else this[a]=b,c&&c();return this},_createCanvasElement:function(){var a=fabric.document.createElement("canvas");if(a.style||(a.style={}),!a)throw d;return this._initCanvasElement(a),a},_initCanvasElement:function(a){if(fabric.util.createCanvasElement(a),"undefined"==typeof a.getContext)throw d},_initOptions:function(a){for(var b in a)this[b]=a[b];this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0,this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0,this.lowerCanvasEl.style&&(this.lowerCanvasEl.width=this.width,this.lowerCanvasEl.height=this.height,this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(a){this.lowerCanvasEl=fabric.util.getById(a)||this._createCanvasElement(),this._initCanvasElement(this.lowerCanvasEl),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(a,b){return this.setDimensions({width:a},b)},setHeight:function(a,b){return this.setDimensions({height:a},b)},setDimensions:function(a,b){var c;b=b||{};for(var d in a)c=a[d],b.cssOnly||(this._setBackstoreDimension(d,a[d]),c+="px"),b.backstoreOnly||this._setCssDimension(d,c);return b.cssOnly||this.renderAll(),this.calcOffset(),this},_setBackstoreDimension:function(a,b){return this.lowerCanvasEl[a]=b,this.upperCanvasEl&&(this.upperCanvasEl[a]=b),this.cacheCanvasEl&&(this.cacheCanvasEl[a]=b),this[a]=b,this},_setCssDimension:function(a,b){return this.lowerCanvasEl.style[a]=b,this.upperCanvasEl&&(this.upperCanvasEl.style[a]=b),this.wrapperEl&&(this.wrapperEl.style[a]=b),this},getZoom:function(){return Math.sqrt(this.viewportTransform[0]*this.viewportTransform[3])},setViewportTransform:function(a){this.viewportTransform=a,this.renderAll();for(var b=0,c=this._objects.length;c>b;b++)this._objects[b].setCoords();return this},zoomToPoint:function(a,b){var c=a;a=fabric.util.transformPoint(a,fabric.util.invertTransform(this.viewportTransform)),this.viewportTransform[0]=b,this.viewportTransform[3]=b;var d=fabric.util.transformPoint(a,this.viewportTransform);this.viewportTransform[4]+=c.x-d.x,this.viewportTransform[5]+=c.y-d.y,this.renderAll();for(var e=0,f=this._objects.length;f>e;e++)this._objects[e].setCoords();return this},setZoom:function(a){return this.zoomToPoint(new fabric.Point(0,0),a),this},absolutePan:function(a){this.viewportTransform[4]=-a.x,this.viewportTransform[5]=-a.y,this.renderAll();for(var b=0,c=this._objects.length;c>b;b++)this._objects[b].setCoords();return this},relativePan:function(a){return this.absolutePan(new fabric.Point(-a.x-this.viewportTransform[4],-a.y-this.viewportTransform[5]))},getElement:function(){return this.lowerCanvasEl},getActiveObject:function(){return null},getActiveGroup:function(){return null},_draw:function(a,b){if(b){a.save();var c=this.viewportTransform;a.transform(c[0],c[1],c[2],c[3],c[4],c[5]),b.render(a),a.restore(),this.controlsAboveOverlay||b._renderControls(a)}},_onObjectAdded:function(a){this.stateful&&a.setupState(),a.canvas=this,a.setCoords(),this.fire("object:added",{target:a}),a.fire("added")},_onObjectRemoved:function(a){this.getActiveObject()===a&&(this.fire("before:selection:cleared",{target:a}),this._discardActiveObject(),this.fire("selection:cleared")),this.fire("object:removed",{target:a}),a.fire("removed")},clearContext:function(a){return a.clearRect(0,0,this.width,this.height),this},getContext:function(){return this.contextContainer},clear:function(){return this._objects.length=0,this.discardActiveGroup&&this.discardActiveGroup(),this.discardActiveObject&&this.discardActiveObject(),this.clearContext(this.contextContainer),this.contextTop&&this.clearContext(this.contextTop),this.fire("canvas:cleared"),this.renderAll(),this},renderAll:function(a){var b=this[a===!0&&this.interactive?"contextTop":"contextContainer"],c=this.getActiveGroup();return this.contextTop&&this.selection&&!this._groupSelector&&this.clearContext(this.contextTop),a||this.clearContext(b),this.fire("before:render"),this.clipTo&&fabric.util.clipContext(this,b),this._renderBackground(b),this._renderObjects(b,c),this._renderActiveGroup(b,c),this.clipTo&&b.restore(),this._renderOverlay(b),this.controlsAboveOverlay&&this.interactive&&this.drawControls(b),this.fire("after:render"),this},_renderObjects:function(a,b){var c,d;if(b)for(c=0,d=this._objects.length;d>c;++c)this._objects[c]&&!b.contains(this._objects[c])&&this._draw(a,this._objects[c]);else for(c=0,d=this._objects.length;d>c;++c)this._draw(a,this._objects[c])},_renderActiveGroup:function(a,b){if(b){var c=[];this.forEachObject(function(a){b.contains(a)&&c.push(a)}),b._set("objects",c),this._draw(a,b)}},_renderBackground:function(a){this.backgroundColor&&(a.fillStyle=this.backgroundColor.toLive?this.backgroundColor.toLive(a):this.backgroundColor,a.fillRect(this.backgroundColor.offsetX||0,this.backgroundColor.offsetY||0,this.width,this.height)),this.backgroundImage&&this._draw(a,this.backgroundImage)},_renderOverlay:function(a){this.overlayColor&&(a.fillStyle=this.overlayColor.toLive?this.overlayColor.toLive(a):this.overlayColor,a.fillRect(this.overlayColor.offsetX||0,this.overlayColor.offsetY||0,this.width,this.height)),this.overlayImage&&this._draw(a,this.overlayImage)},renderTop:function(){var a=this.contextTop||this.contextContainer;this.clearContext(a),this.selection&&this._groupSelector&&this._drawSelection();var b=this.getActiveGroup();return b&&b.render(a),this._renderOverlay(a),this.fire("after:render"),this},getCenter:function(){return{top:this.getHeight()/2,left:this.getWidth()/2}},centerObjectH:function(a){return this._centerObject(a,new fabric.Point(this.getCenter().left,a.getCenterPoint().y)),this.renderAll(),this},centerObjectV:function(a){return this._centerObject(a,new fabric.Point(a.getCenterPoint().x,this.getCenter().top)),this.renderAll(),this},centerObject:function(a){var b=this.getCenter();return this._centerObject(a,new fabric.Point(b.left,b.top)),this.renderAll(),this},_centerObject:function(a,b){return a.setPositionByOrigin(b,"center","center"),this},toDatalessJSON:function(a){return this.toDatalessObject(a)},toObject:function(a){return this._toObjectMethod("toObject",a)},toDatalessObject:function(a){return this._toObjectMethod("toDatalessObject",a)},_toObjectMethod:function(b,c){var d=this.getActiveGroup();d&&this.discardActiveGroup();var e={objects:this._toObjects(b,c)};return a(e,this.__serializeBgOverlay()),fabric.util.populateWithProperties(this,e,c),d&&(this.setActiveGroup(new fabric.Group(d.getObjects(),{originX:"center",originY:"center"})),d.forEachObject(function(a){a.set("active",!0)}),this._currentTransform&&(this._currentTransform.target=this.getActiveGroup())),e},_toObjects:function(a,b){return this.getObjects().map(function(c){return this._toObject(c,a,b)},this)},_toObject:function(a,b,c){var d;this.includeDefaultValues||(d=a.includeDefaultValues,a.includeDefaultValues=!1);var e=a[b](c);return this.includeDefaultValues||(a.includeDefaultValues=d),e},__serializeBgOverlay:function(){var a={background:this.backgroundColor&&this.backgroundColor.toObject?this.backgroundColor.toObject():this.backgroundColor};return this.overlayColor&&(a.overlay=this.overlayColor.toObject?this.overlayColor.toObject():this.overlayColor),this.backgroundImage&&(a.backgroundImage=this.backgroundImage.toObject()),this.overlayImage&&(a.overlayImage=this.overlayImage.toObject()),a},svgViewportTransformation:!0,toSVG:function(a,b){a||(a={});var c=[];return this._setSVGPreamble(c,a),this._setSVGHeader(c,a),this._setSVGBgOverlayColor(c,"backgroundColor"),this._setSVGBgOverlayImage(c,"backgroundImage"),this._setSVGObjects(c,b),this._setSVGBgOverlayColor(c,"overlayColor"),this._setSVGBgOverlayImage(c,"overlayImage"),c.push("</svg>"),c.join("")},_setSVGPreamble:function(a,b){b.suppressPreamble||a.push('<?xml version="1.0" encoding="',b.encoding||"UTF-8",'" standalone="no" ?>','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')},_setSVGHeader:function(a,b){var c,d,e;b.viewBox?(c=b.viewBox.width,d=b.viewBox.height):(c=this.width,d=this.height,this.svgViewportTransformation||(e=this.viewportTransform,c/=e[0],d/=e[3])),a.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',c,'" ','height="',d,'" ',this.backgroundColor&&!this.backgroundColor.toLive?'style="background-color: '+this.backgroundColor+'" ':null,b.viewBox?'viewBox="'+b.viewBox.x+" "+b.viewBox.y+" "+b.viewBox.width+" "+b.viewBox.height+'" ':null,'xml:space="preserve">',"<desc>Created with Fabric.js ",fabric.version,"</desc>","<defs>",fabric.createSVGFontFacesMarkup(this.getObjects()),fabric.createSVGRefElementsMarkup(this),"</defs>")},_setSVGObjects:function(a,b){var c=this.getActiveGroup();c&&this.discardActiveGroup();for(var d=0,e=this.getObjects(),f=e.length;f>d;d++)a.push(e[d].toSVG(b));c&&(this.setActiveGroup(new fabric.Group(c.getObjects())),c.forEachObject(function(a){a.set("active",!0)}))},_setSVGBgOverlayImage:function(a,b){this[b]&&this[b].toSVG&&a.push(this[b].toSVG())},_setSVGBgOverlayColor:function(a,b){this[b]&&this[b].source?a.push('<rect x="',this[b].offsetX,'" y="',this[b].offsetY,'" ','width="',"repeat-y"===this[b].repeat||"no-repeat"===this[b].repeat?this[b].source.width:this.width,'" height="',"repeat-x"===this[b].repeat||"no-repeat"===this[b].repeat?this[b].source.height:this.height,'" fill="url(#'+b+'Pattern)"',"></rect>"):this[b]&&"overlayColor"===b&&a.push('<rect x="0" y="0" ','width="',this.width,'" height="',this.height,'" fill="',this[b],'"',"></rect>")},sendToBack:function(a){return c(this._objects,a),this._objects.unshift(a),this.renderAll&&this.renderAll()},bringToFront:function(a){return c(this._objects,a),this._objects.push(a),this.renderAll&&this.renderAll()},sendBackwards:function(a,b){var d=this._objects.indexOf(a);if(0!==d){var e=this._findNewLowerIndex(a,d,b);c(this._objects,a),this._objects.splice(e,0,a),this.renderAll&&this.renderAll()}return this},_findNewLowerIndex:function(a,b,c){var d;if(c){d=b;for(var e=b-1;e>=0;--e){var f=a.intersectsWithObject(this._objects[e])||a.isContainedWithinObject(this._objects[e])||this._objects[e].isContainedWithinObject(a);if(f){d=e;break}}}else d=b-1;return d},bringForward:function(a,b){var d=this._objects.indexOf(a);if(d!==this._objects.length-1){var e=this._findNewUpperIndex(a,d,b);c(this._objects,a),this._objects.splice(e,0,a),this.renderAll&&this.renderAll()}return this},_findNewUpperIndex:function(a,b,c){var d;if(c){d=b;for(var e=b+1;e<this._objects.length;++e){var f=a.intersectsWithObject(this._objects[e])||a.isContainedWithinObject(this._objects[e])||this._objects[e].isContainedWithinObject(a);if(f){d=e;break}}}else d=b+1;return d},moveTo:function(a,b){return c(this._objects,a),this._objects.splice(b,0,a),this.renderAll&&this.renderAll()},dispose:function(){return this.clear(),this.interactive&&this.removeListeners(),this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): { objects: "+this.getObjects().length+" }>"}}),a(fabric.StaticCanvas.prototype,fabric.Observable),a(fabric.StaticCanvas.prototype,fabric.Collection),a(fabric.StaticCanvas.prototype,fabric.DataURLExporter),a(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(a){var b=fabric.util.createCanvasElement();if(!b||!b.getContext)return null;var c=b.getContext("2d");if(!c)return null;switch(a){case"getImageData":return"undefined"!=typeof c.getImageData;case"setLineDash":return"undefined"!=typeof c.setLineDash;case"toDataURL":return"undefined"!=typeof b.toDataURL;case"toDataURLWithQuality":try{return b.toDataURL("image/jpeg",0),!0}catch(d){}return!1;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",setShadow:function(a){return this.shadow=new fabric.Shadow(a),this},_setBrushStyles:function(){var a=this.canvas.contextTop;a.strokeStyle=this.color,a.lineWidth=this.width,a.lineCap=this.strokeLineCap,a.lineJoin=this.strokeLineJoin},_setShadow:function(){if(this.shadow){var a=this.canvas.contextTop;a.shadowColor=this.shadow.color,a.shadowBlur=this.shadow.blur,a.shadowOffsetX=this.shadow.offsetX,a.shadowOffsetY=this.shadow.offsetY}},_resetShadow:function(){var a=this.canvas.contextTop;a.shadowColor="",a.shadowBlur=a.shadowOffsetX=a.shadowOffsetY=0}}),function(){var a=fabric.util.array.min,b=fabric.util.array.max;fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(a){this.canvas=a,this._points=[]},onMouseDown:function(a){this._prepareForDrawing(a),this._captureDrawingPath(a),this._render()},onMouseMove:function(a){this._captureDrawingPath(a),this.canvas.clearContext(this.canvas.contextTop),this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(a){var b=new fabric.Point(a.x,a.y);this._reset(),this._addPoint(b),this.canvas.contextTop.moveTo(b.x,b.y)},_addPoint:function(a){this._points.push(a)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(a){var b=new fabric.Point(a.x,a.y);this._addPoint(b)},_render:function(){var a=this.canvas.contextTop,b=this.canvas.viewportTransform,c=this._points[0],d=this._points[1];a.save(),a.transform(b[0],b[1],b[2],b[3],b[4],b[5]),a.beginPath(),2===this._points.length&&c.x===d.x&&c.y===d.y&&(c.x-=.5,d.x+=.5),a.moveTo(c.x,c.y);for(var e=1,f=this._points.length;f>e;e++){var g=c.midPointFrom(d);a.quadraticCurveTo(c.x,c.y,g.x,g.y),c=this._points[e],d=this._points[e+1]}a.lineTo(c.x,c.y),a.stroke(),a.restore()},_getSVGPathData:function(){return this.box=this.getPathBoundingBox(this._points),this.convertPointsToSVGPath(this._points,this.box.minX,this.box.minY)},getPathBoundingBox:function(c){for(var d=[],e=[],f=c[0],g=c[1],h=f,i=1,j=c.length;j>i;i++){var k=f.midPointFrom(g);d.push(h.x),d.push(k.x),e.push(h.y),e.push(k.y),f=c[i],g=c[i+1],h=k}return d.push(f.x),e.push(f.y),{minX:a(d),minY:a(e),maxX:b(d),maxY:b(e)}},convertPointsToSVGPath:function(a,b,c){var d=[],e=new fabric.Point(a[0].x-b,a[0].y-c),f=new fabric.Point(a[1].x-b,a[1].y-c);d.push("M ",a[0].x-b," ",a[0].y-c," ");for(var g=1,h=a.length;h>g;g++){var i=e.midPointFrom(f);d.push("Q ",e.x," ",e.y," ",i.x," ",i.y," "),e=new fabric.Point(a[g].x-b,a[g].y-c),g+1<a.length&&(f=new fabric.Point(a[g+1].x-b,a[g+1].y-c))}return d.push("L ",e.x," ",e.y," "),d},createPath:function(a){var b=new fabric.Path(a);return b.fill=null,b.stroke=this.color,b.strokeWidth=this.width,b.strokeLineCap=this.strokeLineCap,b.strokeLineJoin=this.strokeLineJoin,this.shadow&&(this.shadow.affectStroke=!0,b.setShadow(this.shadow)),b},_finalizeAndAddPath:function(){var a=this.canvas.contextTop;a.closePath();var b=this._getSVGPathData().join("");if("M 0 0 Q 0 0 0 0 L 0 0"===b)return void this.canvas.renderAll();var c=this.box.minX+(this.box.maxX-this.box.minX)/2,d=this.box.minY+(this.box.maxY-this.box.minY)/2;this.canvas.contextTop.arc(c,d,3,0,2*Math.PI,!1);var e=this.createPath(b);e.set({left:c,top:d,originX:"center",originY:"center"}),this.canvas.add(e),e.setCoords(),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderAll(),this.canvas.fire("path:created",{path:e})}})}(),fabric.CircleBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,initialize:function(a){this.canvas=a,this.points=[]},drawDot:function(a){var b=this.addPoint(a),c=this.canvas.contextTop,d=this.canvas.viewportTransform;c.save(),c.transform(d[0],d[1],d[2],d[3],d[4],d[5]),c.fillStyle=b.fill,c.beginPath(),c.arc(b.x,b.y,b.radius,0,2*Math.PI,!1),c.closePath(),c.fill(),c.restore()},onMouseDown:function(a){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(a)},onMouseMove:function(a){this.drawDot(a)},onMouseUp:function(){var a=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var b=[],c=0,d=this.points.length;d>c;c++){var e=this.points[c],f=new fabric.Circle({radius:e.radius,left:e.x,top:e.y,originX:"center",originY:"center",fill:e.fill});this.shadow&&f.setShadow(this.shadow),b.push(f)}var g=new fabric.Group(b,{originX:"center",originY:"center"});g.canvas=this.canvas,this.canvas.add(g),this.canvas.fire("path:created",{path:g}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=a,this.canvas.renderAll()},addPoint:function(a){var b=new fabric.Point(a.x,a.y),c=fabric.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,d=new fabric.Color(this.color).setAlpha(fabric.util.getRandomInt(0,100)/100).toRgba();return b.radius=c,b.fill=d,this.points.push(b),b}}),fabric.SprayBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:!0,initialize:function(a){this.canvas=a,this.sprayChunks=[]},onMouseDown:function(a){this.sprayChunks.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.addSprayChunk(a),this.render()},onMouseMove:function(a){this.addSprayChunk(a),this.render()},onMouseUp:function(){var a=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var b=[],c=0,d=this.sprayChunks.length;d>c;c++)for(var e=this.sprayChunks[c],f=0,g=e.length;g>f;f++){var h=new fabric.Rect({width:e[f].width,height:e[f].width,left:e[f].x+1,top:e[f].y+1,originX:"center",originY:"center",fill:this.color});this.shadow&&h.setShadow(this.shadow),b.push(h)}this.optimizeOverlapping&&(b=this._getOptimizedRects(b));var i=new fabric.Group(b,{originX:"center",originY:"center"});i.canvas=this.canvas,this.canvas.add(i),this.canvas.fire("path:created",{path:i}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=a,this.canvas.renderAll()},_getOptimizedRects:function(a){for(var b,c={},d=0,e=a.length;e>d;d++)b=a[d].left+""+a[d].top,c[b]||(c[b]=a[d]);var f=[];for(b in c)f.push(c[b]);return f},render:function(){var a=this.canvas.contextTop;a.fillStyle=this.color;var b=this.canvas.viewportTransform;a.save(),a.transform(b[0],b[1],b[2],b[3],b[4],b[5]);for(var c=0,d=this.sprayChunkPoints.length;d>c;c++){var e=this.sprayChunkPoints[c];"undefined"!=typeof e.opacity&&(a.globalAlpha=e.opacity),a.fillRect(e.x,e.y,e.width,e.width)}a.restore()},addSprayChunk:function(a){this.sprayChunkPoints=[];for(var b,c,d,e=this.width/2,f=0;f<this.density;f++){b=fabric.util.getRandomInt(a.x-e,a.x+e),c=fabric.util.getRandomInt(a.y-e,a.y+e),d=this.dotWidthVariance?fabric.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):this.dotWidth;var g=new fabric.Point(b,c);g.width=d,this.randomOpacity&&(g.opacity=fabric.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(g)}this.sprayChunks.push(this.sprayChunkPoints)}}),fabric.PatternBrush=fabric.util.createClass(fabric.PencilBrush,{getPatternSrc:function(){var a=20,b=5,c=fabric.document.createElement("canvas"),d=c.getContext("2d");return c.width=c.height=a+b,d.fillStyle=this.color,d.beginPath(),d.arc(a/2,a/2,a/2,0,2*Math.PI,!1),d.closePath(),d.fill(),c},getPatternSrcFunction:function(){return String(this.getPatternSrc).replace("this.color",'"'+this.color+'"')},getPattern:function(){return this.canvas.contextTop.createPattern(this.source||this.getPatternSrc(),"repeat")},_setBrushStyles:function(){this.callSuper("_setBrushStyles"),this.canvas.contextTop.strokeStyle=this.getPattern()},createPath:function(a){var b=this.callSuper("createPath",a);return b.stroke=new fabric.Pattern({source:this.source||this.getPatternSrcFunction()}),b}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(a){a||(a={});var b=a.format||"png",c=a.quality||1,d=a.multiplier||1,e={left:a.left,top:a.top,width:a.width,height:a.height};return 1!==d?this.__toDataURLWithMultiplier(b,c,e,d):this.__toDataURL(b,c,e)},__toDataURL:function(a,b,c){this.renderAll(!0);var d=this.upperCanvasEl||this.lowerCanvasEl,e=this.__getCroppedCanvas(d,c);"jpg"===a&&(a="jpeg");var f=fabric.StaticCanvas.supports("toDataURLWithQuality")?(e||d).toDataURL("image/"+a,b):(e||d).toDataURL("image/"+a);return this.contextTop&&this.clearContext(this.contextTop),this.renderAll(),e&&(e=null),f},__getCroppedCanvas:function(a,b){var c,d,e="left"in b||"top"in b||"width"in b||"height"in b;return e&&(c=fabric.util.createCanvasElement(),d=c.getContext("2d"),c.width=b.width||this.width,c.height=b.height||this.height,d.drawImage(a,-b.left||0,-b.top||0)),c},__toDataURLWithMultiplier:function(a,b,c,d){var e=this.getWidth(),f=this.getHeight(),g=e*d,h=f*d,i=this.getActiveObject(),j=this.getActiveGroup(),k=this.contextTop||this.contextContainer;d>1&&this.setWidth(g).setHeight(h),k.scale(d,d),c.left&&(c.left*=d),c.top&&(c.top*=d),c.width?c.width*=d:1>d&&(c.width=g),c.height?c.height*=d:1>d&&(c.height=h),j?this._tempRemoveBordersControlsFromGroup(j):i&&this.deactivateAll&&this.deactivateAll(),this.renderAll(!0);var l=this.__toDataURL(a,b,c);return this.width=e,this.height=f,k.scale(1/d,1/d),this.setWidth(e).setHeight(f),j?this._restoreBordersControlsOnGroup(j):i&&this.setActiveObject&&this.setActiveObject(i),this.contextTop&&this.clearContext(this.contextTop),this.renderAll(),l},toDataURLWithMultiplier:function(a,b,c){return this.toDataURL({format:a,multiplier:b,quality:c})},_tempRemoveBordersControlsFromGroup:function(a){a.origHasControls=a.hasControls,a.origBorderColor=a.borderColor,a.hasControls=!0,a.borderColor="rgba(0,0,0,0)",a.forEachObject(function(a){a.origBorderColor=a.borderColor,a.borderColor="rgba(0,0,0,0)"})},_restoreBordersControlsOnGroup:function(a){a.hideControls=a.origHideControls,a.borderColor=a.origBorderColor,a.forEachObject(function(a){a.borderColor=a.origBorderColor,delete a.origBorderColor})}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(a,b,c){return this.loadFromJSON(a,b,c)},loadFromJSON:function(a,b,c){if(a){var d="string"==typeof a?JSON.parse(a):a;this.clear();var e=this;return this._enlivenObjects(d.objects,function(){e._setBgOverlay(d,b)},c),this}},_setBgOverlay:function(a,b){var c=this,d={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!(a.backgroundImage||a.overlayImage||a.background||a.overlay))return void(b&&b());var e=function(){d.backgroundImage&&d.overlayImage&&d.backgroundColor&&d.overlayColor&&(c.renderAll(),b&&b())};this.__setBgOverlay("backgroundImage",a.backgroundImage,d,e),this.__setBgOverlay("overlayImage",a.overlayImage,d,e),this.__setBgOverlay("backgroundColor",a.background,d,e),this.__setBgOverlay("overlayColor",a.overlay,d,e),e()},__setBgOverlay:function(a,b,c,d){var e=this;return b?void("backgroundImage"===a||"overlayImage"===a?fabric.Image.fromObject(b,function(b){e[a]=b,c[a]=!0,d&&d()}):this["set"+fabric.util.string.capitalize(a,!0)](b,function(){c[a]=!0,d&&d()})):void(c[a]=!0)},_enlivenObjects:function(a,b,c){var d=this;if(!a||0===a.length)return void(b&&b());var e=this.renderOnAddRemove;this.renderOnAddRemove=!1,fabric.util.enlivenObjects(a,function(a){a.forEach(function(a,b){d.insertAt(a,b,!0)}),d.renderOnAddRemove=e,b&&b()},null,c)},_toDataURL:function(a,b){this.clone(function(c){b(c.toDataURL(a))})},_toDataURLWithMultiplier:function(a,b,c){this.clone(function(d){c(d.toDataURLWithMultiplier(a,b))})},clone:function(a,b){var c=JSON.stringify(this.toJSON(b));this.cloneWithoutData(function(b){b.loadFromJSON(c,function(){a&&a(b)})})},cloneWithoutData:function(a){var b=fabric.document.createElement("canvas");b.width=this.getWidth(),b.height=this.getHeight();var c=new fabric.Canvas(b);c.clipTo=this.clipTo,this.backgroundImage?(c.setBackgroundImage(this.backgroundImage.src,function(){c.renderAll(),a&&a(c)}),c.backgroundImageOpacity=this.backgroundImageOpacity,c.backgroundImageStretch=this.backgroundImageStretch):a&&a(c)}}),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=b.util.object.extend,d=b.util.toFixed,e=b.util.string.capitalize,f=b.util.degreesToRadians,g=b.StaticCanvas.supports("setLineDash");b.Object||(b.Object=b.util.createClass({type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,cornerSize:12,transparentCorners:!0,hoverCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",cornerColor:"rgba(102,153,255,0.5)",centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"source-over",backgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:10,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:.01,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,hasRotatingPoint:!0,rotatingPointOffset:40,perPixelTargetFind:!1,includeDefaultValues:!0,clipTo:null,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockUniScaling:!1,lockScalingFlip:!1,stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill fillRule shadow clipTo visible backgroundColor".split(" "),initialize:function(a){a&&this.setOptions(a)},_initGradient:function(a){!a.fill||!a.fill.colorStops||a.fill instanceof b.Gradient||this.set("fill",new b.Gradient(a.fill))},_initPattern:function(a){!a.fill||!a.fill.source||a.fill instanceof b.Pattern||this.set("fill",new b.Pattern(a.fill)),!a.stroke||!a.stroke.source||a.stroke instanceof b.Pattern||this.set("stroke",new b.Pattern(a.stroke))},_initClipping:function(a){if(a.clipTo&&"string"==typeof a.clipTo){var c=b.util.getFunctionBody(a.clipTo);"undefined"!=typeof c&&(this.clipTo=new Function("ctx",c))}},setOptions:function(a){for(var b in a)this.set(b,a[b]);this._initGradient(a),this._initPattern(a),this._initClipping(a)},transform:function(a,b){this.group&&this.group.transform(a,b),a.globalAlpha=this.opacity;var c=b?this._getLeftTopCoords():this.getCenterPoint();a.translate(c.x,c.y),a.rotate(f(this.angle)),a.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1))},toObject:function(a){var c=b.Object.NUM_FRACTION_DIGITS,e={type:this.type,originX:this.originX,originY:this.originY,left:d(this.left,c),top:d(this.top,c),width:d(this.width,c),height:d(this.height,c),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:d(this.strokeWidth,c),strokeDashArray:this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:d(this.strokeMiterLimit,c),scaleX:d(this.scaleX,c),scaleY:d(this.scaleY,c),angle:d(this.getAngle(),c),flipX:this.flipX,flipY:this.flipY,opacity:d(this.opacity,c),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor};return this.includeDefaultValues||(e=this._removeDefaultValues(e)),b.util.populateWithProperties(this,e,a),e},toDatalessObject:function(a){return this.toObject(a)},_removeDefaultValues:function(a){var c=b.util.getKlass(a.type).prototype,d=c.stateProperties;return d.forEach(function(b){a[b]===c[b]&&delete a[b]}),a},toString:function(){return"#<fabric."+e(this.type)+">"},get:function(a){return this[a]},_setObject:function(a){for(var b in a)this._set(b,a[b])},set:function(a,b){return"object"==typeof a?this._setObject(a):"function"==typeof b&&"clipTo"!==a?this._set(a,b(this.get(a))):this._set(a,b),this},_set:function(a,c){var e="scaleX"===a||"scaleY"===a;return e&&(c=this._constrainScale(c)),"scaleX"===a&&0>c?(this.flipX=!this.flipX,c*=-1):"scaleY"===a&&0>c?(this.flipY=!this.flipY,c*=-1):"width"===a||"height"===a?this.minScaleLimit=d(Math.min(.1,1/Math.max(this.width,this.height)),2):"shadow"!==a||!c||c instanceof b.Shadow||(c=new b.Shadow(c)),this[a]=c,this},toggle:function(a){var b=this.get(a);return"boolean"==typeof b&&this.set(a,!b),this},setSourcePath:function(a){return this.sourcePath=a,this},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:[1,0,0,1,0,0]},render:function(a,c){if(0!==this.width&&0!==this.height&&this.visible){if(a.save(),this._setupFillRule(a),this._transform(a,c),this._setStrokeStyles(a),this._setFillStyles(a),this.group&&"path-group"===this.group.type){a.translate(-this.group.width/2,-this.group.height/2);var d=this.transformMatrix;d&&a.transform.apply(a,d)}a.globalAlpha=this.group?a.globalAlpha*this.opacity:this.opacity,this._setShadow(a),this.clipTo&&b.util.clipContext(this,a),this._render(a,c),this.clipTo&&a.restore(),this._removeShadow(a),this._restoreFillRule(a),a.restore()}},_transform:function(a,b){var c=this.transformMatrix;c&&!this.group&&a.setTransform.apply(a,c),b||this.transform(a)},_setStrokeStyles:function(a){this.stroke&&(a.lineWidth=this.strokeWidth,a.lineCap=this.strokeLineCap,a.lineJoin=this.strokeLineJoin,a.miterLimit=this.strokeMiterLimit,a.strokeStyle=this.stroke.toLive?this.stroke.toLive(a):this.stroke)},_setFillStyles:function(a){this.fill&&(a.fillStyle=this.fill.toLive?this.fill.toLive(a):this.fill)},_renderControls:function(a,c){var d=this.getViewportTransform();if(a.save(),this.active&&!c){var e;this.group&&(e=b.util.transformPoint(this.group.getCenterPoint(),d),a.translate(e.x,e.y),a.rotate(f(this.group.angle))),e=b.util.transformPoint(this.getCenterPoint(),d,null!=this.group),this.group&&(e.x*=this.group.scaleX,e.y*=this.group.scaleY),a.translate(e.x,e.y),a.rotate(f(this.angle)),this.drawBorders(a),this.drawControls(a)}a.restore()},_setShadow:function(a){this.shadow&&(a.shadowColor=this.shadow.color,a.shadowBlur=this.shadow.blur,a.shadowOffsetX=this.shadow.offsetX,a.shadowOffsetY=this.shadow.offsetY)
|
|
},_removeShadow:function(a){this.shadow&&(a.shadowColor="",a.shadowBlur=a.shadowOffsetX=a.shadowOffsetY=0)},_renderFill:function(a){if(this.fill){if(a.save(),this.fill.toLive&&a.translate(-this.width/2+this.fill.offsetX||0,-this.height/2+this.fill.offsetY||0),this.fill.gradientTransform){var b=this.fill.gradientTransform;a.transform.apply(a,b)}"destination-over"===this.fillRule?a.fill("evenodd"):a.fill(),a.restore(),this.shadow&&!this.shadow.affectStroke&&this._removeShadow(a)}},_renderStroke:function(a){if(this.stroke&&0!==this.strokeWidth){if(a.save(),this.strokeDashArray)1&this.strokeDashArray.length&&this.strokeDashArray.push.apply(this.strokeDashArray,this.strokeDashArray),g?(a.setLineDash(this.strokeDashArray),this._stroke&&this._stroke(a)):this._renderDashedStroke&&this._renderDashedStroke(a),a.stroke();else{if(this.stroke.gradientTransform){var b=this.stroke.gradientTransform;a.transform.apply(a,b)}this._stroke?this._stroke(a):a.stroke()}this._removeShadow(a),a.restore()}},clone:function(a,c){return this.constructor.fromObject?this.constructor.fromObject(this.toObject(c),a):new b.Object(this.toObject(c))},cloneAsImage:function(a){var c=this.toDataURL();return b.util.loadImage(c,function(c){a&&a(new b.Image(c))}),this},toDataURL:function(a){a||(a={});var c=b.util.createCanvasElement(),d=this.getBoundingRect();c.width=d.width,c.height=d.height,b.util.wrapElement(c,"div");var e=new b.Canvas(c);"jpg"===a.format&&(a.format="jpeg"),"jpeg"===a.format&&(e.backgroundColor="#fff");var f={active:this.get("active"),left:this.getLeft(),top:this.getTop()};this.set("active",!1),this.setPositionByOrigin(new b.Point(c.width/2,c.height/2),"center","center");var g=this.canvas;e.add(this);var h=e.toDataURL(a);return this.set(f).setCoords(),this.canvas=g,e.dispose(),e=null,h},isType:function(a){return this.type===a},complexity:function(){return 0},toJSON:function(a){return this.toObject(a)},setGradient:function(a,c){c||(c={});var d={colorStops:[]};d.type=c.type||(c.r1||c.r2?"radial":"linear"),d.coords={x1:c.x1,y1:c.y1,x2:c.x2,y2:c.y2},(c.r1||c.r2)&&(d.coords.r1=c.r1,d.coords.r2=c.r2);for(var e in c.colorStops){var f=new b.Color(c.colorStops[e]);d.colorStops.push({offset:e,color:f.toRgb(),opacity:f.getAlpha()})}return this.set(a,b.Gradient.forObject(this,d))},setPatternFill:function(a){return this.set("fill",new b.Pattern(a))},setShadow:function(a){return this.set("shadow",a?new b.Shadow(a):null)},setColor:function(a){return this.set("fill",a),this},setAngle:function(a){var b=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return b&&this._setOriginToCenter(),this.set("angle",a),b&&this._resetOrigin(),this},centerH:function(){return this.canvas.centerObjectH(this),this},centerV:function(){return this.canvas.centerObjectV(this),this},center:function(){return this.canvas.centerObject(this),this},remove:function(){return this.canvas.remove(this),this},getLocalPointer:function(a,b){b=b||this.canvas.getPointer(a);var c=this.translateToOriginPoint(this.getCenterPoint(),"left","top");return{x:b.x-c.x,y:b.y-c.y}},_setupFillRule:function(a){this.fillRule&&(this._prevFillRule=a.globalCompositeOperation,a.globalCompositeOperation=this.fillRule)},_restoreFillRule:function(a){this.fillRule&&this._prevFillRule&&(a.globalCompositeOperation=this._prevFillRule)}}),b.util.createAccessors(b.Object),b.Object.prototype.rotate=b.Object.prototype.setAngle,c(b.Object.prototype,b.Observable),b.Object.NUM_FRACTION_DIGITS=2,b.Object.__uid=0)}("undefined"!=typeof exports?exports:this),function(){var a=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{translateToCenterPoint:function(b,c,d){var e=b.x,f=b.y,g=this.stroke?this.strokeWidth:0;return"left"===c?e=b.x+(this.getWidth()+g*this.scaleX)/2:"right"===c&&(e=b.x-(this.getWidth()+g*this.scaleX)/2),"top"===d?f=b.y+(this.getHeight()+g*this.scaleY)/2:"bottom"===d&&(f=b.y-(this.getHeight()+g*this.scaleY)/2),fabric.util.rotatePoint(new fabric.Point(e,f),b,a(this.angle))},translateToOriginPoint:function(b,c,d){var e=b.x,f=b.y,g=this.stroke?this.strokeWidth:0;return"left"===c?e=b.x-(this.getWidth()+g*this.scaleX)/2:"right"===c&&(e=b.x+(this.getWidth()+g*this.scaleX)/2),"top"===d?f=b.y-(this.getHeight()+g*this.scaleY)/2:"bottom"===d&&(f=b.y+(this.getHeight()+g*this.scaleY)/2),fabric.util.rotatePoint(new fabric.Point(e,f),b,a(this.angle))},getCenterPoint:function(){var a=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(a,this.originX,this.originY)},getPointByOrigin:function(a,b){var c=this.getCenterPoint();return this.translateToOriginPoint(c,a,b)},toLocalPoint:function(b,c,d){var e,f,g=this.getCenterPoint(),h=this.stroke?this.strokeWidth:0;return c&&d?(e="left"===c?g.x-(this.getWidth()+h*this.scaleX)/2:"right"===c?g.x+(this.getWidth()+h*this.scaleX)/2:g.x,f="top"===d?g.y-(this.getHeight()+h*this.scaleY)/2:"bottom"===d?g.y+(this.getHeight()+h*this.scaleY)/2:g.y):(e=this.left,f=this.top),fabric.util.rotatePoint(new fabric.Point(b.x,b.y),g,-a(this.angle)).subtractEquals(new fabric.Point(e,f))},setPositionByOrigin:function(a,b,c){var d=this.translateToCenterPoint(a,b,c),e=this.translateToOriginPoint(d,this.originX,this.originY);this.set("left",e.x),this.set("top",e.y)},adjustPosition:function(b){var c=a(this.angle),d=this.getWidth()/2,e=Math.cos(c)*d,f=Math.sin(c)*d,g=this.getWidth(),h=Math.cos(c)*g,i=Math.sin(c)*g;"center"===this.originX&&"left"===b||"right"===this.originX&&"center"===b?(this.left-=e,this.top-=f):"left"===this.originX&&"center"===b||"center"===this.originX&&"right"===b?(this.left+=e,this.top+=f):"left"===this.originX&&"right"===b?(this.left+=h,this.top+=i):"right"===this.originX&&"left"===b&&(this.left-=h,this.top-=i),this.setCoords(),this.originX=b},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var a=this.getCenterPoint();this.originX="center",this.originY="center",this.left=a.x,this.top=a.y},_resetOrigin:function(){var a=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=a.x,this.top=a.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","center")}})}(),function(){var a=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,intersectsWithRect:function(a,b){var c=this.oCoords,d=new fabric.Point(c.tl.x,c.tl.y),e=new fabric.Point(c.tr.x,c.tr.y),f=new fabric.Point(c.bl.x,c.bl.y),g=new fabric.Point(c.br.x,c.br.y),h=fabric.Intersection.intersectPolygonRectangle([d,e,g,f],a,b);return"Intersection"===h.status},intersectsWithObject:function(a){function b(a){return{tl:new fabric.Point(a.tl.x,a.tl.y),tr:new fabric.Point(a.tr.x,a.tr.y),bl:new fabric.Point(a.bl.x,a.bl.y),br:new fabric.Point(a.br.x,a.br.y)}}var c=b(this.oCoords),d=b(a.oCoords),e=fabric.Intersection.intersectPolygonPolygon([c.tl,c.tr,c.br,c.bl],[d.tl,d.tr,d.br,d.bl]);return"Intersection"===e.status},isContainedWithinObject:function(a){var b=a.getBoundingRect(),c=new fabric.Point(b.left,b.top),d=new fabric.Point(b.left+b.width,b.top+b.height);return this.isContainedWithinRect(c,d)},isContainedWithinRect:function(a,b){var c=this.getBoundingRect();return c.left>=a.x&&c.left+c.width<=b.x&&c.top>=a.y&&c.top+c.height<=b.y},containsPoint:function(a){var b=this._getImageLines(this.oCoords),c=this._findCrossPoints(a,b);return 0!==c&&c%2===1},_getImageLines:function(a){return{topline:{o:a.tl,d:a.tr},rightline:{o:a.tr,d:a.br},bottomline:{o:a.br,d:a.bl},leftline:{o:a.bl,d:a.tl}}},_findCrossPoints:function(a,b){var c,d,e,f,g,h,i,j=0;for(var k in b)if(i=b[k],!(i.o.y<a.y&&i.d.y<a.y||i.o.y>=a.y&&i.d.y>=a.y||(i.o.x===i.d.x&&i.o.x>=a.x?(g=i.o.x,h=a.y):(c=0,d=(i.d.y-i.o.y)/(i.d.x-i.o.x),e=a.y-c*a.x,f=i.o.y-d*i.o.x,g=-(e-f)/(c-d),h=e+c*g),g>=a.x&&(j+=1),2!==j)))break;return j},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(){this.oCoords||this.setCoords();var a=[this.oCoords.tl.x,this.oCoords.tr.x,this.oCoords.br.x,this.oCoords.bl.x],b=fabric.util.array.min(a),c=fabric.util.array.max(a),d=Math.abs(b-c),e=[this.oCoords.tl.y,this.oCoords.tr.y,this.oCoords.br.y,this.oCoords.bl.y],f=fabric.util.array.min(e),g=fabric.util.array.max(e),h=Math.abs(f-g);return{left:b,top:f,width:d,height:h}},getWidth:function(){return this.width*this.scaleX},getHeight:function(){return this.height*this.scaleY},_constrainScale:function(a){return Math.abs(a)<this.minScaleLimit?0>a?-this.minScaleLimit:this.minScaleLimit:a},scale:function(a){return a=this._constrainScale(a),0>a&&(this.flipX=!this.flipX,this.flipY=!this.flipY,a*=-1),this.scaleX=a,this.scaleY=a,this.setCoords(),this},scaleToWidth:function(a){var b=this.getBoundingRectWidth()/this.getWidth();return this.scale(a/this.width/b)},scaleToHeight:function(a){var b=this.getBoundingRectHeight()/this.getHeight();return this.scale(a/this.height/b)},setCoords:function(){var b=this.strokeWidth>1?this.strokeWidth:0,c=a(this.angle),d=this.getViewportTransform(),e=function(a){return fabric.util.transformPoint(a,d)},f=this.width,g=this.height,h="round"===this.strokeLineCap||"square"===this.strokeLineCap,i="line"===this.type&&1===this.width,j="line"===this.type&&1===this.height,k=h&&j||"line"!==this.type,l=h&&i||"line"!==this.type;i?f=b:j&&(g=b),k&&(f+=b),l&&(g+=b),this.currentWidth=f*this.scaleX,this.currentHeight=g*this.scaleY,this.currentWidth<0&&(this.currentWidth=Math.abs(this.currentWidth));var m=Math.sqrt(Math.pow(this.currentWidth/2,2)+Math.pow(this.currentHeight/2,2)),n=Math.atan(isFinite(this.currentHeight/this.currentWidth)?this.currentHeight/this.currentWidth:0),o=Math.cos(n+c)*m,p=Math.sin(n+c)*m,q=Math.sin(c),r=Math.cos(c),s=this.getCenterPoint(),t=new fabric.Point(this.currentWidth,this.currentHeight),u=new fabric.Point(s.x-o,s.y-p),v=new fabric.Point(u.x+t.x*r,u.y+t.x*q),w=new fabric.Point(u.x-t.y*q,u.y+t.y*r),x=new fabric.Point(u.x+t.x/2*r,u.y+t.x/2*q),y=e(u),z=e(v),A=e(new fabric.Point(v.x-t.y*q,v.y+t.y*r)),B=e(w),C=e(new fabric.Point(u.x-t.y/2*q,u.y+t.y/2*r)),D=e(x),E=e(new fabric.Point(v.x-t.y/2*q,v.y+t.y/2*r)),F=e(new fabric.Point(w.x+t.x/2*r,w.y+t.x/2*q)),G=e(new fabric.Point(x.x,x.y)),H=Math.cos(n+c)*this.padding*Math.sqrt(2),I=Math.sin(n+c)*this.padding*Math.sqrt(2);return y=y.add(new fabric.Point(-H,-I)),z=z.add(new fabric.Point(I,-H)),A=A.add(new fabric.Point(H,I)),B=B.add(new fabric.Point(-I,H)),C=C.add(new fabric.Point((-H-I)/2,(-I+H)/2)),D=D.add(new fabric.Point((I-H)/2,-(I+H)/2)),E=E.add(new fabric.Point((I+H)/2,(I-H)/2)),F=F.add(new fabric.Point((H-I)/2,(H+I)/2)),G=G.add(new fabric.Point((I-H)/2,-(I+H)/2)),this.oCoords={tl:y,tr:z,br:A,bl:B,ml:C,mt:D,mr:E,mb:F,mtr:G},this._setCornerCoords&&this._setCornerCoords(),this}})}(),fabric.util.object.extend(fabric.Object.prototype,{sendToBack:function(){return this.group?fabric.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?fabric.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas.bringToFront(this),this},sendBackwards:function(a){return this.group?fabric.StaticCanvas.prototype.sendBackwards.call(this.group,this,a):this.canvas.sendBackwards(this,a),this},bringForward:function(a){return this.group?fabric.StaticCanvas.prototype.bringForward.call(this.group,this,a):this.canvas.bringForward(this,a),this},moveTo:function(a){return this.group?fabric.StaticCanvas.prototype.moveTo.call(this.group,this,a):this.canvas.moveTo(this,a),this}}),fabric.util.object.extend(fabric.Object.prototype,{getSvgStyles:function(){var a=this.fill?this.fill.toLive?"url(#SVGID_"+this.fill.id+")":this.fill:"none",b="destination-over"===this.fillRule?"evenodd":this.fillRule,c=this.stroke?this.stroke.toLive?"url(#SVGID_"+this.stroke.id+")":this.stroke:"none",d=this.strokeWidth?this.strokeWidth:"0",e=this.strokeDashArray?this.strokeDashArray.join(" "):"",f=this.strokeLineCap?this.strokeLineCap:"butt",g=this.strokeLineJoin?this.strokeLineJoin:"miter",h=this.strokeMiterLimit?this.strokeMiterLimit:"4",i="undefined"!=typeof this.opacity?this.opacity:"1",j=this.visible?"":" visibility: hidden;",k=this.shadow&&"text"!==this.type?"filter: url(#SVGID_"+this.shadow.id+");":"";return["stroke: ",c,"; ","stroke-width: ",d,"; ","stroke-dasharray: ",e,"; ","stroke-linecap: ",f,"; ","stroke-linejoin: ",g,"; ","stroke-miterlimit: ",h,"; ","fill: ",a,"; ","fill-rule: ",b,"; ","opacity: ",i,";",k,j].join("")},getSvgTransform:function(){if(this.group)return"";var a=fabric.util.toFixed,b=this.getAngle(),c=!this.canvas||this.canvas.svgViewportTransformation?this.getViewportTransform():[1,0,0,1,0,0],d=fabric.util.transformPoint(this.getCenterPoint(),c),e=fabric.Object.NUM_FRACTION_DIGITS,f="path-group"===this.type?"":"translate("+a(d.x,e)+" "+a(d.y,e)+")",g=0!==b?" rotate("+a(b,e)+")":"",h=1===this.scaleX&&1===this.scaleY&&1===c[0]&&1===c[3]?"":" scale("+a(this.scaleX*c[0],e)+" "+a(this.scaleY*c[3],e)+")",i="path-group"===this.type?this.width*c[0]:0,j=this.flipX?" matrix(-1 0 0 1 "+i+" 0) ":"",k="path-group"===this.type?this.height*c[3]:0,l=this.flipY?" matrix(1 0 0 -1 0 "+k+")":"";return[f,g,h,j,l].join("")},getSvgTransformMatrix:function(){return this.transformMatrix?" matrix("+this.transformMatrix.join(" ")+")":""},_createBaseSVGMarkup:function(){var a=[];return this.fill&&this.fill.toLive&&a.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&a.push(this.stroke.toSVG(this,!1)),this.shadow&&a.push(this.shadow.toSVG(this)),a}}),fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(){return this.stateProperties.some(function(a){return this.get(a)!==this.originalState[a]},this)},saveState:function(a){return this.stateProperties.forEach(function(a){this.originalState[a]=this.get(a)},this),a&&a.stateProperties&&a.stateProperties.forEach(function(a){this.originalState[a]=this.get(a)},this),this},setupState:function(){return this.originalState={},this.saveState(),this}}),function(a){"use strict";function b(a,b){var c=a.origin,d=a.axis1,e=a.axis2,f=a.dimension,g=b.nearest,h=b.center,i=b.farthest;return function(){switch(this.get(c)){case g:return Math.min(this.get(d),this.get(e));case h:return Math.min(this.get(d),this.get(e))+.5*this.get(f);case i:return Math.max(this.get(d),this.get(e))}}}var c=a.fabric||(a.fabric={}),d=c.util.object.extend,e={x1:1,x2:1,y1:1,y2:1},f=c.StaticCanvas.supports("setLineDash");return c.Line?void c.warn("fabric.Line is already defined"):(c.Line=c.util.createClass(c.Object,{type:"line",x1:0,y1:0,x2:0,y2:0,initialize:function(a,b){b=b||{},a||(a=[0,0,0,0]),this.callSuper("initialize",b),this.set("x1",a[0]),this.set("y1",a[1]),this.set("x2",a[2]),this.set("y2",a[3]),this._setWidthHeight(b)},_setWidthHeight:function(a){a||(a={}),this.width=Math.abs(this.x2-this.x1)||1,this.height=Math.abs(this.y2-this.y1)||1,this.left="left"in a?a.left:this._getLeftToOriginX(),this.top="top"in a?a.top:this._getTopToOriginY()},_set:function(a,b){return this[a]=b,"undefined"!=typeof e[a]&&this._setWidthHeight(),this},_getLeftToOriginX:b({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:b({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(a,b){if(a.beginPath(),b){var c=this.getCenterPoint();a.translate(c.x,c.y)}if(!this.strokeDashArray||this.strokeDashArray&&f){var d=this.x1<=this.x2?-1:1,e=this.y1<=this.y2?-1:1;a.moveTo(1===this.width?0:d*this.width/2,1===this.height?0:e*this.height/2),a.lineTo(1===this.width?0:-1*d*this.width/2,1===this.height?0:-1*e*this.height/2)}a.lineWidth=this.strokeWidth;var g=a.strokeStyle;a.strokeStyle=this.stroke||a.fillStyle,this.stroke&&this._renderStroke(a),a.strokeStyle=g},_renderDashedStroke:function(a){var b=this.x1<=this.x2?-1:1,d=this.y1<=this.y2?-1:1,e=1===this.width?0:b*this.width/2,f=1===this.height?0:d*this.height/2;a.beginPath(),c.util.drawDashedLine(a,e,f,-e,-f,this.strokeDashArray),a.closePath()},toObject:function(a){return d(this.callSuper("toObject",a),{x1:this.get("x1"),y1:this.get("y1"),x2:this.get("x2"),y2:this.get("y2")})},toSVG:function(a){var b=this._createBaseSVGMarkup(),c="";if(!this.group){var d=-this.width/2-(this.x1>this.x2?this.x2:this.x1),e=-this.height/2-(this.y1>this.y2?this.y2:this.y1);c="translate("+d+", "+e+") "}return b.push("<line ",'x1="',this.x1,'" y1="',this.y1,'" x2="',this.x2,'" y2="',this.y2,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),c,this.getSvgTransformMatrix(),'"/>\n'),a?a(b.join("")):b.join("")},complexity:function(){return 1}}),c.Line.ATTRIBUTE_NAMES=c.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),c.Line.fromElement=function(a,b){var e=c.parseAttributes(a,c.Line.ATTRIBUTE_NAMES),f=[e.x1||0,e.y1||0,e.x2||0,e.y2||0];return new c.Line(f,d(e,b))},void(c.Line.fromObject=function(a){var b=[a.x1,a.y1,a.x2,a.y2];return new c.Line(b,a)}))}("undefined"!=typeof exports?exports:this),function(a){"use strict";function b(a){return"radius"in a&&a.radius>0}var c=a.fabric||(a.fabric={}),d=2*Math.PI,e=c.util.object.extend;return c.Circle?void c.warn("fabric.Circle is already defined."):(c.Circle=c.util.createClass(c.Object,{type:"circle",radius:0,initialize:function(a){a=a||{},this.callSuper("initialize",a),this.set("radius",a.radius||0)},_set:function(a,b){return this.callSuper("_set",a,b),"radius"===a&&this.setRadius(b),this},toObject:function(a){return e(this.callSuper("toObject",a),{radius:this.get("radius")})},toSVG:function(a){var b=this._createBaseSVGMarkup(),c=0,d=0;return this.group&&(c=this.left+this.radius,d=this.top+this.radius),b.push("<circle ",'cx="'+c+'" cy="'+d+'" ','r="',this.radius,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n'),a?a(b.join("")):b.join("")},_render:function(a,b){a.beginPath(),a.arc(b?this.left+this.radius:0,b?this.top+this.radius:0,this.radius,0,d,!1),this._renderFill(a),this._renderStroke(a)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(a){this.radius=a,this.set("width",2*a).set("height",2*a)},complexity:function(){return 1}}),c.Circle.ATTRIBUTE_NAMES=c.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),c.Circle.fromElement=function(a,d){d||(d={});var f=c.parseAttributes(a,c.Circle.ATTRIBUTE_NAMES);if(!b(f))throw new Error("value of `r` attribute is required and can not be negative");f.left=f.left||0,f.top=f.top||0;var g=new c.Circle(e(f,d));return g.left-=g.radius,g.top-=g.radius,g},void(c.Circle.fromObject=function(a){return new c.Circle(a)}))}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={});return b.Triangle?void b.warn("fabric.Triangle is already defined"):(b.Triangle=b.util.createClass(b.Object,{type:"triangle",initialize:function(a){a=a||{},this.callSuper("initialize",a),this.set("width",a.width||100).set("height",a.height||100)},_render:function(a){var b=this.width/2,c=this.height/2;a.beginPath(),a.moveTo(-b,c),a.lineTo(0,-c),a.lineTo(b,c),a.closePath(),this._renderFill(a),this._renderStroke(a)},_renderDashedStroke:function(a){var c=this.width/2,d=this.height/2;a.beginPath(),b.util.drawDashedLine(a,-c,d,0,-d,this.strokeDashArray),b.util.drawDashedLine(a,0,-d,c,d,this.strokeDashArray),b.util.drawDashedLine(a,c,d,-c,d,this.strokeDashArray),a.closePath()},toSVG:function(a){var b=this._createBaseSVGMarkup(),c=this.width/2,d=this.height/2,e=[-c+" "+d,"0 "+-d,c+" "+d].join(",");return b.push("<polygon ",'points="',e,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),a?a(b.join("")):b.join("")},complexity:function(){return 1}}),void(b.Triangle.fromObject=function(a){return new b.Triangle(a)}))}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=2*Math.PI,d=b.util.object.extend;return b.Ellipse?void b.warn("fabric.Ellipse is already defined."):(b.Ellipse=b.util.createClass(b.Object,{type:"ellipse",rx:0,ry:0,initialize:function(a){a=a||{},this.callSuper("initialize",a),this.set("rx",a.rx||0),this.set("ry",a.ry||0),this.set("width",2*this.get("rx")),this.set("height",2*this.get("ry"))},toObject:function(a){return d(this.callSuper("toObject",a),{rx:this.get("rx"),ry:this.get("ry")})},toSVG:function(a){var b=this._createBaseSVGMarkup(),c=0,d=0;return this.group&&(c=this.left+this.rx,d=this.top+this.ry),b.push("<ellipse ",'cx="',c,'" cy="',d,'" ','rx="',this.rx,'" ry="',this.ry,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),a?a(b.join("")):b.join("")},_render:function(a,b){a.beginPath(),a.save(),a.transform(1,0,0,this.ry/this.rx,0,0),a.arc(b?this.left+this.rx:0,b?(this.top+this.ry)*this.rx/this.ry:0,this.rx,0,c,!1),a.restore(),this._renderFill(a),this._renderStroke(a)},complexity:function(){return 1}}),b.Ellipse.ATTRIBUTE_NAMES=b.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),b.Ellipse.fromElement=function(a,c){c||(c={});var e=b.parseAttributes(a,b.Ellipse.ATTRIBUTE_NAMES);e.left=e.left||0,e.top=e.top||0;var f=new b.Ellipse(d(e,c));return f.top-=f.ry,f.left-=f.rx,f},void(b.Ellipse.fromObject=function(a){return new b.Ellipse(a)}))}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=b.util.object.extend;if(b.Rect)return void console.warn("fabric.Rect is already defined");var d=b.Object.prototype.stateProperties.concat();d.push("rx","ry","x","y"),b.Rect=b.util.createClass(b.Object,{stateProperties:d,type:"rect",rx:0,ry:0,strokeDashArray:null,initialize:function(a){a=a||{},this.callSuper("initialize",a),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(a,b){if(1===this.width&&1===this.height)return void a.fillRect(0,0,1,1);var c=this.rx?Math.min(this.rx,this.width/2):0,d=this.ry?Math.min(this.ry,this.height/2):0,e=this.width,f=this.height,g=b?this.left:-this.width/2,h=b?this.top:-this.height/2,i=0!==c||0!==d,j=.4477152502;a.beginPath(),a.moveTo(g+c,h),a.lineTo(g+e-c,h),i&&a.bezierCurveTo(g+e-j*c,h,g+e,h+j*d,g+e,h+d),a.lineTo(g+e,h+f-d),i&&a.bezierCurveTo(g+e,h+f-j*d,g+e-j*c,h+f,g+e-c,h+f),a.lineTo(g+c,h+f),i&&a.bezierCurveTo(g+j*c,h+f,g,h+f-j*d,g,h+f-d),a.lineTo(g,h+d),i&&a.bezierCurveTo(g,h+j*d,g+j*c,h,g+c,h),a.closePath(),this._renderFill(a),this._renderStroke(a)},_renderDashedStroke:function(a){var c=-this.width/2,d=-this.height/2,e=this.width,f=this.height;a.beginPath(),b.util.drawDashedLine(a,c,d,c+e,d,this.strokeDashArray),b.util.drawDashedLine(a,c+e,d,c+e,d+f,this.strokeDashArray),b.util.drawDashedLine(a,c+e,d+f,c,d+f,this.strokeDashArray),b.util.drawDashedLine(a,c,d+f,c,d,this.strokeDashArray),a.closePath()},toObject:function(a){var b=c(this.callSuper("toObject",a),{rx:this.get("rx")||0,ry:this.get("ry")||0});return this.includeDefaultValues||this._removeDefaultValues(b),b},toSVG:function(a){var b=this._createBaseSVGMarkup(),c=this.left,d=this.top;return this.group||(c=-this.width/2,d=-this.height/2),b.push("<rect ",'x="',c,'" y="',d,'" rx="',this.get("rx"),'" ry="',this.get("ry"),'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),a?a(b.join("")):b.join("")},complexity:function(){return 1}}),b.Rect.ATTRIBUTE_NAMES=b.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),b.Rect.fromElement=function(a,d){if(!a)return null;d=d||{};var e=b.parseAttributes(a,b.Rect.ATTRIBUTE_NAMES);return e.left=e.left||0,e.top=e.top||0,new b.Rect(c(d?b.util.object.clone(d):{},e))},b.Rect.fromObject=function(a){return new b.Rect(a)}}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=b.util.toFixed;return b.Polyline?void b.warn("fabric.Polyline is already defined"):(b.Polyline=b.util.createClass(b.Object,{type:"polyline",points:null,initialize:function(a,b){b=b||{},this.set("points",a),this.callSuper("initialize",b),this._calcDimensions()},_calcDimensions:function(){return b.Polygon.prototype._calcDimensions.call(this)},_applyPointOffset:function(){return b.Polygon.prototype._applyPointOffset.call(this)},toObject:function(a){return b.Polygon.prototype.toObject.call(this,a)},toSVG:function(a){for(var b=[],d=this._createBaseSVGMarkup(),e=0,f=this.points.length;f>e;e++)b.push(c(this.points[e].x,2),",",c(this.points[e].y,2)," ");return d.push("<polyline ",'points="',b.join(""),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n'),a?a(d.join("")):d.join("")},_render:function(a){var b;a.beginPath(),this._applyPointOffset&&(this.group&&"path-group"===this.group.type||this._applyPointOffset(),this._applyPointOffset=null),a.moveTo(this.points[0].x,this.points[0].y);for(var c=0,d=this.points.length;d>c;c++)b=this.points[c],a.lineTo(b.x,b.y);this._renderFill(a),this._renderStroke(a)},_renderDashedStroke:function(a){var c,d;a.beginPath();for(var e=0,f=this.points.length;f>e;e++)c=this.points[e],d=this.points[e+1]||c,b.util.drawDashedLine(a,c.x,c.y,d.x,d.y,this.strokeDashArray)},complexity:function(){return this.get("points").length}}),b.Polyline.ATTRIBUTE_NAMES=b.SHARED_ATTRIBUTES.concat(),b.Polyline.fromElement=function(a,c){if(!a)return null;c||(c={});var d=b.parsePointsAttribute(a.getAttribute("points")),e=b.parseAttributes(a,b.Polyline.ATTRIBUTE_NAMES);return null===d?null:new b.Polyline(d,b.util.object.extend(e,c))},void(b.Polyline.fromObject=function(a){var c=a.points;return new b.Polyline(c,a,!0)}))}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=b.util.object.extend,d=b.util.array.min,e=b.util.array.max,f=b.util.toFixed;return b.Polygon?void b.warn("fabric.Polygon is already defined"):(b.Polygon=b.util.createClass(b.Object,{type:"polygon",points:null,initialize:function(a,b){b=b||{},this.points=a,this.callSuper("initialize",b),this._calcDimensions()},_calcDimensions:function(){var a=this.points,b=d(a,"x"),c=d(a,"y"),f=e(a,"x"),g=e(a,"y");this.width=f-b||1,this.height=g-c||1,this.left=b,this.top=c},_applyPointOffset:function(){this.points.forEach(function(a){a.x-=this.left+this.width/2,a.y-=this.top+this.height/2},this)},toObject:function(a){return c(this.callSuper("toObject",a),{points:this.points.concat()})},toSVG:function(a){for(var b=[],c=this._createBaseSVGMarkup(),d=0,e=this.points.length;e>d;d++)b.push(f(this.points[d].x,2),",",f(this.points[d].y,2)," ");return c.push("<polygon ",'points="',b.join(""),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n'),a?a(c.join("")):c.join("")},_render:function(a){var b;a.beginPath(),this._applyPointOffset&&(this.group&&"path-group"===this.group.type||this._applyPointOffset(),this._applyPointOffset=null),a.moveTo(this.points[0].x,this.points[0].y);for(var c=0,d=this.points.length;d>c;c++)b=this.points[c],a.lineTo(b.x,b.y);this._renderFill(a),(this.stroke||this.strokeDashArray)&&(a.closePath(),this._renderStroke(a))},_renderDashedStroke:function(a){var c,d;a.beginPath();for(var e=0,f=this.points.length;f>e;e++)c=this.points[e],d=this.points[e+1]||this.points[0],b.util.drawDashedLine(a,c.x,c.y,d.x,d.y,this.strokeDashArray);a.closePath()},complexity:function(){return this.points.length}}),b.Polygon.ATTRIBUTE_NAMES=b.SHARED_ATTRIBUTES.concat(),b.Polygon.fromElement=function(a,d){if(!a)return null;d||(d={});var e=b.parsePointsAttribute(a.getAttribute("points")),f=b.parseAttributes(a,b.Polygon.ATTRIBUTE_NAMES);return null===e?null:new b.Polygon(e,c(f,d))},void(b.Polygon.fromObject=function(a){return new b.Polygon(a.points,a,!0)}))}("undefined"!=typeof exports?exports:this),function(a){"use strict";function b(a){return"H"===a[0]?a[1]:a[a.length-2]}function c(a){return"V"===a[0]?a[1]:a[a.length-1]}var d=a.fabric||(a.fabric={}),e=d.util.array.min,f=d.util.array.max,g=d.util.object.extend,h=Object.prototype.toString,i=d.util.drawArc,j={m:2,l:2,h:1,v:1,c:6,s:4,q:4,t:2,a:7},k={m:"l",M:"L"};return d.Path?void d.warn("fabric.Path is already defined"):(d.Path=d.util.createClass(d.Object,{type:"path",path:null,initialize:function(a,b){if(b=b||{},this.setOptions(b),!a)throw new Error("`path` argument is required");var c="[object Array]"===h.call(a);this.path=c?a:a.match&&a.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi),this.path&&(c||(this.path=this._parsePath()),this._initializePath(b),b.sourcePath&&this.setSourcePath(b.sourcePath))},_initializePath:function(a){var b="width"in a&&null!=a.width,c="height"in a&&null!=a.width,d="left"in a,e="top"in a,f=d?this.left:0,h=e?this.top:0;b&&c?(e||(this.top=this.height/2),d||(this.left=this.width/2)):(g(this,this._parseDimensions()),b&&(this.width=a.width),c&&(this.height=a.height)),this.pathOffset=this.pathOffset||this._calculatePathOffset(f,h)},_calculatePathOffset:function(a,b){return{x:this.left-a-this.width/2,y:this.top-b-this.height/2}},_render:function(a,b){var c,d,e,f,g,h=null,j=0,k=0,l=0,m=0,n=0,o=0,p=-(this.width/2+this.pathOffset.x),q=-(this.height/2+this.pathOffset.y);b&&(p+=this.width/2,q+=this.height/2);for(var r=0,s=this.path.length;s>r;++r){switch(c=this.path[r],c[0]){case"l":l+=c[1],m+=c[2],a.lineTo(l+p,m+q);break;case"L":l=c[1],m=c[2],a.lineTo(l+p,m+q);break;case"h":l+=c[1],a.lineTo(l+p,m+q);break;case"H":l=c[1],a.lineTo(l+p,m+q);break;case"v":m+=c[1],a.lineTo(l+p,m+q);break;case"V":m=c[1],a.lineTo(l+p,m+q);break;case"m":l+=c[1],m+=c[2],j=l,k=m,a.moveTo(l+p,m+q);break;case"M":l=c[1],m=c[2],j=l,k=m,a.moveTo(l+p,m+q);break;case"c":d=l+c[5],e=m+c[6],n=l+c[3],o=m+c[4],a.bezierCurveTo(l+c[1]+p,m+c[2]+q,n+p,o+q,d+p,e+q),l=d,m=e;break;case"C":l=c[5],m=c[6],n=c[3],o=c[4],a.bezierCurveTo(c[1]+p,c[2]+q,n+p,o+q,l+p,m+q);break;case"s":d=l+c[3],e=m+c[4],n=n?2*l-n:l,o=o?2*m-o:m,a.bezierCurveTo(n+p,o+q,l+c[1]+p,m+c[2]+q,d+p,e+q),n=l+c[1],o=m+c[2],l=d,m=e;break;case"S":d=c[3],e=c[4],n=2*l-n,o=2*m-o,a.bezierCurveTo(n+p,o+q,c[1]+p,c[2]+q,d+p,e+q),l=d,m=e,n=c[1],o=c[2];break;case"q":d=l+c[3],e=m+c[4],n=l+c[1],o=m+c[2],a.quadraticCurveTo(n+p,o+q,d+p,e+q),l=d,m=e;break;case"Q":d=c[3],e=c[4],a.quadraticCurveTo(c[1]+p,c[2]+q,d+p,e+q),l=d,m=e,n=c[1],o=c[2];break;case"t":d=l+c[1],e=m+c[2],null===h[0].match(/[QqTt]/)?(n=l,o=m):"t"===h[0]?(n=2*l-f,o=2*m-g):"q"===h[0]&&(n=2*l-n,o=2*m-o),f=n,g=o,a.quadraticCurveTo(n+p,o+q,d+p,e+q),l=d,m=e,n=l+c[1],o=m+c[2];break;case"T":d=c[1],e=c[2],n=2*l-n,o=2*m-o,a.quadraticCurveTo(n+p,o+q,d+p,e+q),l=d,m=e;break;case"a":i(a,l+p,m+q,[c[1],c[2],c[3],c[4],c[5],c[6]+l+p,c[7]+m+q]),l+=c[6],m+=c[7];break;case"A":i(a,l+p,m+q,[c[1],c[2],c[3],c[4],c[5],c[6]+p,c[7]+q]),l=c[6],m=c[7];break;case"z":case"Z":l=j,m=k,a.closePath()}h=c}},render:function(a,b){if(this.visible){a.save(),b&&a.translate(-this.width/2,-this.height/2);var c=this.transformMatrix;c&&a.transform(c[0],c[1],c[2],c[3],c[4],c[5]),b||this.transform(a),this._setStrokeStyles(a),this._setFillStyles(a),this._setShadow(a),this.clipTo&&d.util.clipContext(this,a),a.beginPath(),a.globalAlpha=this.group?a.globalAlpha*this.opacity:this.opacity,this._render(a,b),this._renderFill(a),this._renderStroke(a),this.clipTo&&a.restore(),this._removeShadow(a),a.restore()}},toString:function(){return"#<fabric.Path ("+this.complexity()+'): { "top": '+this.top+', "left": '+this.left+" }>"},toObject:function(a){var b=g(this.callSuper("toObject",a),{path:this.path.map(function(a){return a.slice()}),pathOffset:this.pathOffset});return this.sourcePath&&(b.sourcePath=this.sourcePath),this.transformMatrix&&(b.transformMatrix=this.transformMatrix),b},toDatalessObject:function(a){var b=this.toObject(a);return this.sourcePath&&(b.path=this.sourcePath),delete b.sourcePath,b},toSVG:function(a){for(var b=[],c=this._createBaseSVGMarkup(),d=0,e=this.path.length;e>d;d++)b.push(this.path[d].join(" "));
|
|
var f=b.join(" ");return c.push("<path ",'d="',f,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'" stroke-linecap="round" ',"/>\n"),a?a(c.join("")):c.join("")},complexity:function(){return this.path.length},_parsePath:function(){for(var a,b,c,d,e,f=[],g=[],h=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi,i=0,l=this.path.length;l>i;i++){for(a=this.path[i],d=a.slice(1).trim(),g.length=0;c=h.exec(d);)g.push(c[0]);e=[a.charAt(0)];for(var m=0,n=g.length;n>m;m++)b=parseFloat(g[m]),isNaN(b)||e.push(b);var o=e[0],p=j[o.toLowerCase()],q=k[o]||o;if(e.length-1>p)for(var r=1,s=e.length;s>r;r+=p)f.push([o].concat(e.slice(r,r+p))),o=q;else f.push(e)}return f},_parseDimensions:function(){var a=[],b=[],c={};this.path.forEach(function(d,e){this._getCoordsFromCommand(d,e,a,b,c)},this);var d=e(a),g=e(b),h=f(a),i=f(b),j=h-d,k=i-g,l={left:this.left+(d+j/2),top:this.top+(g+k/2),width:j,height:k};return l},_getCoordsFromCommand:function(a,d,e,f,g){var h=!1;"H"!==a[0]&&(g.x=b(0===d?a:this.path[d-1])),"V"!==a[0]&&(g.y=c(0===d?a:this.path[d-1])),a[0]===a[0].toLowerCase()&&(h=!0);var i,j=this._getXY(a,h,g);i=parseInt(j.x,10),isNaN(i)||e.push(i),i=parseInt(j.y,10),isNaN(i)||f.push(i)},_getXY:function(a,d,e){var f=d?e.x+b(a):"V"===a[0]?e.x:b(a),g=d?e.y+c(a):"H"===a[0]?e.y:c(a);return{x:f,y:g}}}),d.Path.fromObject=function(a,b){"string"==typeof a.path?d.loadSVGFromURL(a.path,function(c){var e=c[0],f=a.path;delete a.path,d.util.object.extend(e,a),e.setSourcePath(f),b(e)}):b(new d.Path(a.path,a))},d.Path.ATTRIBUTE_NAMES=d.SHARED_ATTRIBUTES.concat(["d"]),d.Path.fromElement=function(a,b,c){var e=d.parseAttributes(a,d.Path.ATTRIBUTE_NAMES);b&&b(new d.Path(e.d,g(e,c)))},void(d.Path.async=!0))}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=b.util.object.extend,d=b.util.array.invoke,e=b.Object.prototype.toObject;return b.PathGroup?void b.warn("fabric.PathGroup is already defined"):(b.PathGroup=b.util.createClass(b.Path,{type:"path-group",fill:"",initialize:function(a,b){b=b||{},this.paths=a||[];for(var c=this.paths.length;c--;)this.paths[c].group=this;this.setOptions(b),b.widthAttr&&(this.scaleX=b.widthAttr/b.width),b.heightAttr&&(this.scaleY=b.heightAttr/b.height),this.setCoords(),b.sourcePath&&this.setSourcePath(b.sourcePath)},render:function(a){if(this.visible){a.save();var c=this.transformMatrix;c&&a.transform(c[0],c[1],c[2],c[3],c[4],c[5]),this.transform(a),this._setShadow(a),this.clipTo&&b.util.clipContext(this,a);for(var d=0,e=this.paths.length;e>d;++d)this.paths[d].render(a,!0);this.clipTo&&a.restore(),this._removeShadow(a),a.restore()}},_set:function(a,b){if("fill"===a&&b&&this.isSameColor())for(var c=this.paths.length;c--;)this.paths[c]._set(a,b);return this.callSuper("_set",a,b)},toObject:function(a){var b=c(e.call(this,a),{paths:d(this.getObjects(),"toObject",a)});return this.sourcePath&&(b.sourcePath=this.sourcePath),b},toDatalessObject:function(a){var b=this.toObject(a);return this.sourcePath&&(b.paths=this.sourcePath),b},toSVG:function(a){for(var b=this.getObjects(),c="translate("+this.left+" "+this.top+")",d=["<g ",'style="',this.getSvgStyles(),'" ','transform="',c,this.getSvgTransform(),'" ',">\n"],e=0,f=b.length;f>e;e++)d.push(b[e].toSVG(a));return d.push("</g>\n"),a?a(d.join("")):d.join("")},toString:function(){return"#<fabric.PathGroup ("+this.complexity()+"): { top: "+this.top+", left: "+this.left+" }>"},isSameColor:function(){var a=(this.getObjects()[0].get("fill")||"").toLowerCase();return this.getObjects().every(function(b){return(b.get("fill")||"").toLowerCase()===a})},complexity:function(){return this.paths.reduce(function(a,b){return a+(b&&b.complexity?b.complexity():0)},0)},getObjects:function(){return this.paths}}),b.PathGroup.fromObject=function(a,c){"string"==typeof a.paths?b.loadSVGFromURL(a.paths,function(d){var e=a.paths;delete a.paths;var f=b.util.groupSVGElements(d,a,e);c(f)}):b.util.enlivenObjects(a.paths,function(d){delete a.paths,c(new b.PathGroup(d,a))})},void(b.PathGroup.async=!0))}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=b.util.object.extend,d=b.util.array.min,e=b.util.array.max,f=b.util.array.invoke;if(!b.Group){var g={lockMovementX:!0,lockMovementY:!0,lockRotation:!0,lockScalingX:!0,lockScalingY:!0,lockUniScaling:!0};b.Group=b.util.createClass(b.Object,b.Collection,{type:"group",initialize:function(a,b){b=b||{},this._objects=a||[];for(var d=this._objects.length;d--;)this._objects[d].group=this;this.originalState={},this.callSuper("initialize"),this._calcBounds(),this._updateObjectsCoords(),b&&c(this,b),this._setOpacityIfSame(),this.setCoords(),this.saveCoords()},_updateObjectsCoords:function(){this.forEachObject(this._updateObjectCoords,this)},_updateObjectCoords:function(a){var b=a.getLeft(),c=a.getTop();a.set({originalLeft:b,originalTop:c,left:b-this.left,top:c-this.top}),a.setCoords(),a.__origHasControls=a.hasControls,a.hasControls=!1},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(a){return this._restoreObjectsState(),a&&(this._objects.push(a),a.group=this),this.forEachObject(this._setObjectActive,this),this._calcBounds(),this._updateObjectsCoords(),this},_setObjectActive:function(a){a.set("active",!0),a.group=this},removeWithUpdate:function(a){return this._moveFlippedObject(a),this._restoreObjectsState(),this.forEachObject(this._setObjectActive,this),this.remove(a),this._calcBounds(),this._updateObjectsCoords(),this},_onObjectAdded:function(a){a.group=this},_onObjectRemoved:function(a){delete a.group,a.set("active",!1)},delegatedProperties:{fill:!0,opacity:!0,fontFamily:!0,fontWeight:!0,fontSize:!0,fontStyle:!0,lineHeight:!0,textDecoration:!0,textAlign:!0,backgroundColor:!0},_set:function(a,b){if(a in this.delegatedProperties){var c=this._objects.length;for(this[a]=b;c--;)this._objects[c].set(a,b)}else this[a]=b},toObject:function(a){return c(this.callSuper("toObject",a),{objects:f(this._objects,"toObject",a)})},render:function(a){if(this.visible){a.save(),this.clipTo&&b.util.clipContext(this,a);for(var c=0,d=this._objects.length;d>c;c++)this._renderObject(this._objects[c],a);this.clipTo&&a.restore(),a.restore()}},_renderControls:function(a,b){this.callSuper("_renderControls",a,b);for(var c=0,d=this._objects.length;d>c;c++)this._objects[c]._renderControls(a)},_renderObject:function(a,b){var c=a.hasRotatingPoint;a.visible&&(a.hasRotatingPoint=!1,a.render(b),a.hasRotatingPoint=c)},_restoreObjectsState:function(){return this._objects.forEach(this._restoreObjectState,this),this},_moveFlippedObject:function(a){var b=a.get("originX"),c=a.get("originY"),d=a.getCenterPoint();a.set({originX:"center",originY:"center",left:d.x,top:d.y}),this._toggleFlipping(a);var e=a.getPointByOrigin(b,c);return a.set({originX:b,originY:c,left:e.x,top:e.y}),this},_toggleFlipping:function(a){this.flipX&&(a.toggle("flipX"),a.set("left",-a.get("left")),a.setAngle(-a.getAngle())),this.flipY&&(a.toggle("flipY"),a.set("top",-a.get("top")),a.setAngle(-a.getAngle()))},_restoreObjectState:function(a){return this._setObjectPosition(a),a.setCoords(),a.hasControls=a.__origHasControls,delete a.__origHasControls,a.set("active",!1),a.setCoords(),delete a.group,this},_setObjectPosition:function(a){var b=this.getLeft(),c=this.getTop(),d=this._getRotatedLeftTop(a);a.set({angle:a.getAngle()+this.getAngle(),left:b+d.left,top:c+d.top,scaleX:a.get("scaleX")*this.get("scaleX"),scaleY:a.get("scaleY")*this.get("scaleY")})},_getRotatedLeftTop:function(a){var b=this.getAngle()*(Math.PI/180);return{left:-Math.sin(b)*a.getTop()*this.get("scaleY")+Math.cos(b)*a.getLeft()*this.get("scaleX"),top:Math.cos(b)*a.getTop()*this.get("scaleY")+Math.sin(b)*a.getLeft()*this.get("scaleX")}},destroy:function(){return this._objects.forEach(this._moveFlippedObject,this),this._restoreObjectsState()},saveCoords:function(){return this._originalLeft=this.get("left"),this._originalTop=this.get("top"),this},hasMoved:function(){return this._originalLeft!==this.get("left")||this._originalTop!==this.get("top")},setObjectsCoords:function(){return this.forEachObject(function(a){a.setCoords()}),this},_setOpacityIfSame:function(){var a=this.getObjects(),b=a[0]?a[0].get("opacity"):1,c=a.every(function(a){return a.get("opacity")===b});c&&(this.opacity=b)},_calcBounds:function(a){for(var b,c=[],d=[],e=0,f=this._objects.length;f>e;++e){b=this._objects[e],b.setCoords();for(var g in b.oCoords)c.push(b.oCoords[g].x),d.push(b.oCoords[g].y)}this.set(this._getBounds(c,d,a))},_getBounds:function(a,c,f){var g=b.util.invertTransform(this.getViewportTransform()),h=b.util.transformPoint(new b.Point(d(a),d(c)),g),i=b.util.transformPoint(new b.Point(e(a),e(c)),g),j={width:i.x-h.x||0,height:i.y-h.y||0};return f||(j.left=(h.x+i.x)/2||0,j.top=(h.y+i.y)/2||0),j},toSVG:function(a){for(var b=["<g ",'transform="',this.getSvgTransform(),'">\n'],c=0,d=this._objects.length;d>c;c++)b.push(this._objects[c].toSVG(a));return b.push("</g>\n"),a?a(b.join("")):b.join("")},get:function(a){if(a in g){if(this[a])return this[a];for(var b=0,c=this._objects.length;c>b;b++)if(this._objects[b][a])return!0;return!1}return a in this.delegatedProperties?this._objects[0]&&this._objects[0].get(a):this[a]}}),b.Group.fromObject=function(a,c){b.util.enlivenObjects(a.objects,function(d){delete a.objects,c&&c(new b.Group(d,a))})},b.Group.async=!0}}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=fabric.util.object.extend;return a.fabric||(a.fabric={}),a.fabric.Image?void fabric.warn("fabric.Image is already defined."):(fabric.Image=fabric.util.createClass(fabric.Object,{type:"image",crossOrigin:"",initialize:function(a,b){b||(b={}),this.filters=[],this.callSuper("initialize",b),this._initElement(a,b),this._initConfig(b),b.filters&&(this.filters=b.filters,this.applyFilters())},getElement:function(){return this._element},setElement:function(a,b){return this._element=a,this._originalElement=a,this._initConfig(),0!==this.filters.length&&this.applyFilters(b),this},setCrossOrigin:function(a){return this.crossOrigin=a,this._element.crossOrigin=a,this},getOriginalSize:function(){var a=this.getElement();return{width:a.width,height:a.height}},_stroke:function(a){a.save(),this._setStrokeStyles(a),a.beginPath(),a.strokeRect(-this.width/2,-this.height/2,this.width,this.height),a.closePath(),a.restore()},_renderDashedStroke:function(a){var b=-this.width/2,c=-this.height/2,d=this.width,e=this.height;a.save(),this._setStrokeStyles(a),a.beginPath(),fabric.util.drawDashedLine(a,b,c,b+d,c,this.strokeDashArray),fabric.util.drawDashedLine(a,b+d,c,b+d,c+e,this.strokeDashArray),fabric.util.drawDashedLine(a,b+d,c+e,b,c+e,this.strokeDashArray),fabric.util.drawDashedLine(a,b,c+e,b,c,this.strokeDashArray),a.closePath(),a.restore()},toObject:function(a){return b(this.callSuper("toObject",a),{src:this._originalElement.src||this._originalElement._src,filters:this.filters.map(function(a){return a&&a.toObject()}),crossOrigin:this.crossOrigin})},toSVG:function(a){var b=[],c=-this.width/2,d=-this.height/2;if(this.group&&(c=this.left,d=this.top),b.push('<g transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'">\n','<image xlink:href="',this.getSvgSrc(),'" x="',c,'" y="',d,'" style="',this.getSvgStyles(),'" width="',this.width,'" height="',this.height,'" preserveAspectRatio="none"',"></image>\n"),this.stroke||this.strokeDashArray){var e=this.fill;this.fill=null,b.push("<rect ",'x="',c,'" y="',d,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>\n'),this.fill=e}return b.push("</g>\n"),a?a(b.join("")):b.join("")},getSrc:function(){return this.getElement()?this.getElement().src||this.getElement()._src:void 0},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},clone:function(a,b){this.constructor.fromObject(this.toObject(b),a)},applyFilters:function(a){if(this._originalElement){if(0===this.filters.length)return this._element=this._originalElement,void(a&&a());var b=this._originalElement,c=fabric.util.createCanvasElement(),d=fabric.util.createImage(),e=this;return c.width=b.width,c.height=b.height,c.getContext("2d").drawImage(b,0,0,b.width,b.height),this.filters.forEach(function(a){a&&a.applyTo(c)}),d.width=b.width,d.height=b.height,fabric.isLikelyNode?(d.src=c.toBuffer(undefined,fabric.Image.pngCompression),e._element=d,a&&a()):(d.onload=function(){e._element=d,a&&a(),d.onload=c=b=null},d.src=c.toDataURL("image/png")),this}},_render:function(a,b){this._element&&a.drawImage(this._element,b?this.left:-this.width/2,b?this.top:-this.height/2,this.width,this.height),this._renderStroke(a)},_resetWidthHeight:function(){var a=this.getElement();this.set("width",a.width),this.set("height",a.height)},_initElement:function(a){this.setElement(fabric.util.getById(a)),fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(a){a||(a={}),this.setOptions(a),this._setWidthHeight(a),this._element&&this.crossOrigin&&(this._element.crossOrigin=this.crossOrigin)},_initFilters:function(a,b){a.filters&&a.filters.length?fabric.util.enlivenObjects(a.filters,function(a){b&&b(a)},"fabric.Image.filters"):b&&b()},_setWidthHeight:function(a){this.width="width"in a?a.width:this.getElement()?this.getElement().width||0:0,this.height="height"in a?a.height:this.getElement()?this.getElement().height||0:0},complexity:function(){return 1}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(a,b){fabric.util.loadImage(a.src,function(c){fabric.Image.prototype._initFilters.call(a,a,function(d){a.filters=d||[];var e=new fabric.Image(c,a);b&&b(e)})},null,a.crossOrigin)},fabric.Image.fromURL=function(a,b,c){fabric.util.loadImage(a,function(a){b(new fabric.Image(a,c))},null,c&&c.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height xlink:href".split(" ")),fabric.Image.fromElement=function(a,c,d){var e=fabric.parseAttributes(a,fabric.Image.ATTRIBUTE_NAMES);fabric.Image.fromURL(e["xlink:href"],c,b(d?fabric.util.object.clone(d):{},e))},fabric.Image.async=!0,void(fabric.Image.pngCompression=1))}("undefined"!=typeof exports?exports:this),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",toObject:function(){return{type:this.type}},toJSON:function(){return this.toObject()}}),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=b.util.object.extend;b.Image.filters.Brightness=b.util.createClass(b.Image.filters.BaseFilter,{type:"Brightness",initialize:function(a){a=a||{},this.brightness=a.brightness||0},applyTo:function(a){for(var b=a.getContext("2d"),c=b.getImageData(0,0,a.width,a.height),d=c.data,e=this.brightness,f=0,g=d.length;g>f;f+=4)d[f]+=e,d[f+1]+=e,d[f+2]+=e;b.putImageData(c,0,0)},toObject:function(){return c(this.callSuper("toObject"),{brightness:this.brightness})}}),b.Image.filters.Brightness.fromObject=function(a){return new b.Image.filters.Brightness(a)}}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=b.util.object.extend;b.Image.filters.Convolute=b.util.createClass(b.Image.filters.BaseFilter,{type:"Convolute",initialize:function(a){a=a||{},this.opaque=a.opaque,this.matrix=a.matrix||[0,0,0,0,1,0,0,0,0];var c=b.util.createCanvasElement();this.tmpCtx=c.getContext("2d")},_createImageData:function(a,b){return this.tmpCtx.createImageData(a,b)},applyTo:function(a){for(var b=this.matrix,c=a.getContext("2d"),d=c.getImageData(0,0,a.width,a.height),e=Math.round(Math.sqrt(b.length)),f=Math.floor(e/2),g=d.data,h=d.width,i=d.height,j=h,k=i,l=this._createImageData(j,k),m=l.data,n=this.opaque?1:0,o=0;k>o;o++)for(var p=0;j>p;p++){for(var q=o,r=p,s=4*(o*j+p),t=0,u=0,v=0,w=0,x=0;e>x;x++)for(var y=0;e>y;y++){var z=q+x-f,A=r+y-f;if(!(0>z||z>i||0>A||A>h)){var B=4*(z*h+A),C=b[x*e+y];t+=g[B]*C,u+=g[B+1]*C,v+=g[B+2]*C,w+=g[B+3]*C}}m[s]=t,m[s+1]=u,m[s+2]=v,m[s+3]=w+n*(255-w)}c.putImageData(l,0,0)},toObject:function(){return c(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),b.Image.filters.Convolute.fromObject=function(a){return new b.Image.filters.Convolute(a)}}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=b.util.object.extend;b.Image.filters.GradientTransparency=b.util.createClass(b.Image.filters.BaseFilter,{type:"GradientTransparency",initialize:function(a){a=a||{},this.threshold=a.threshold||100},applyTo:function(a){for(var b=a.getContext("2d"),c=b.getImageData(0,0,a.width,a.height),d=c.data,e=this.threshold,f=d.length,g=0,h=d.length;h>g;g+=4)d[g+3]=e+255*(f-g)/f;b.putImageData(c,0,0)},toObject:function(){return c(this.callSuper("toObject"),{threshold:this.threshold})}}),b.Image.filters.GradientTransparency.fromObject=function(a){return new b.Image.filters.GradientTransparency(a)}}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={});b.Image.filters.Grayscale=b.util.createClass(b.Image.filters.BaseFilter,{type:"Grayscale",applyTo:function(a){for(var b,c=a.getContext("2d"),d=c.getImageData(0,0,a.width,a.height),e=d.data,f=d.width*d.height*4,g=0;f>g;)b=(e[g]+e[g+1]+e[g+2])/3,e[g]=b,e[g+1]=b,e[g+2]=b,g+=4;c.putImageData(d,0,0)}}),b.Image.filters.Grayscale.fromObject=function(){return new b.Image.filters.Grayscale}}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={});b.Image.filters.Invert=b.util.createClass(b.Image.filters.BaseFilter,{type:"Invert",applyTo:function(a){var b,c=a.getContext("2d"),d=c.getImageData(0,0,a.width,a.height),e=d.data,f=e.length;for(b=0;f>b;b+=4)e[b]=255-e[b],e[b+1]=255-e[b+1],e[b+2]=255-e[b+2];c.putImageData(d,0,0)}}),b.Image.filters.Invert.fromObject=function(){return new b.Image.filters.Invert}}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=b.util.object.extend;b.Image.filters.Mask=b.util.createClass(b.Image.filters.BaseFilter,{type:"Mask",initialize:function(a){a=a||{},this.mask=a.mask,this.channel=[0,1,2,3].indexOf(a.channel)>-1?a.channel:0},applyTo:function(a){if(this.mask){var c,d=a.getContext("2d"),e=d.getImageData(0,0,a.width,a.height),f=e.data,g=this.mask.getElement(),h=b.util.createCanvasElement(),i=this.channel,j=e.width*e.height*4;h.width=g.width,h.height=g.height,h.getContext("2d").drawImage(g,0,0,g.width,g.height);var k=h.getContext("2d").getImageData(0,0,g.width,g.height),l=k.data;for(c=0;j>c;c+=4)f[c+3]=l[c+i];d.putImageData(e,0,0)}},toObject:function(){return c(this.callSuper("toObject"),{mask:this.mask.toObject(),channel:this.channel})}}),b.Image.filters.Mask.fromObject=function(a,c){b.util.loadImage(a.mask.src,function(d){a.mask=new b.Image(d,a.mask),c&&c(new b.Image.filters.Mask(a))})},b.Image.filters.Mask.async=!0}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=b.util.object.extend;b.Image.filters.Noise=b.util.createClass(b.Image.filters.BaseFilter,{type:"Noise",initialize:function(a){a=a||{},this.noise=a.noise||0},applyTo:function(a){for(var b,c=a.getContext("2d"),d=c.getImageData(0,0,a.width,a.height),e=d.data,f=this.noise,g=0,h=e.length;h>g;g+=4)b=(.5-Math.random())*f,e[g]+=b,e[g+1]+=b,e[g+2]+=b;c.putImageData(d,0,0)},toObject:function(){return c(this.callSuper("toObject"),{noise:this.noise})}}),b.Image.filters.Noise.fromObject=function(a){return new b.Image.filters.Noise(a)}}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=b.util.object.extend;b.Image.filters.Pixelate=b.util.createClass(b.Image.filters.BaseFilter,{type:"Pixelate",initialize:function(a){a=a||{},this.blocksize=a.blocksize||4},applyTo:function(a){var b,c,d,e,f,g,h,i=a.getContext("2d"),j=i.getImageData(0,0,a.width,a.height),k=j.data,l=j.height,m=j.width;for(c=0;l>c;c+=this.blocksize)for(d=0;m>d;d+=this.blocksize){b=4*c*m+4*d,e=k[b],f=k[b+1],g=k[b+2],h=k[b+3];for(var n=c,o=c+this.blocksize;o>n;n++)for(var p=d,q=d+this.blocksize;q>p;p++)b=4*n*m+4*p,k[b]=e,k[b+1]=f,k[b+2]=g,k[b+3]=h}i.putImageData(j,0,0)},toObject:function(){return c(this.callSuper("toObject"),{blocksize:this.blocksize})}}),b.Image.filters.Pixelate.fromObject=function(a){return new b.Image.filters.Pixelate(a)}}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=b.util.object.extend;b.Image.filters.RemoveWhite=b.util.createClass(b.Image.filters.BaseFilter,{type:"RemoveWhite",initialize:function(a){a=a||{},this.threshold=a.threshold||30,this.distance=a.distance||20},applyTo:function(a){for(var b,c,d,e=a.getContext("2d"),f=e.getImageData(0,0,a.width,a.height),g=f.data,h=this.threshold,i=this.distance,j=255-h,k=Math.abs,l=0,m=g.length;m>l;l+=4)b=g[l],c=g[l+1],d=g[l+2],b>j&&c>j&&d>j&&k(b-c)<i&&k(b-d)<i&&k(c-d)<i&&(g[l+3]=1);e.putImageData(f,0,0)},toObject:function(){return c(this.callSuper("toObject"),{threshold:this.threshold,distance:this.distance})}}),b.Image.filters.RemoveWhite.fromObject=function(a){return new b.Image.filters.RemoveWhite(a)}}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={});b.Image.filters.Sepia=b.util.createClass(b.Image.filters.BaseFilter,{type:"Sepia",applyTo:function(a){var b,c,d=a.getContext("2d"),e=d.getImageData(0,0,a.width,a.height),f=e.data,g=f.length;for(b=0;g>b;b+=4)c=.3*f[b]+.59*f[b+1]+.11*f[b+2],f[b]=c+100,f[b+1]=c+50,f[b+2]=c+255;d.putImageData(e,0,0)}}),b.Image.filters.Sepia.fromObject=function(){return new b.Image.filters.Sepia}}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={});b.Image.filters.Sepia2=b.util.createClass(b.Image.filters.BaseFilter,{type:"Sepia2",applyTo:function(a){var b,c,d,e,f=a.getContext("2d"),g=f.getImageData(0,0,a.width,a.height),h=g.data,i=h.length;for(b=0;i>b;b+=4)c=h[b],d=h[b+1],e=h[b+2],h[b]=(.393*c+.769*d+.189*e)/1.351,h[b+1]=(.349*c+.686*d+.168*e)/1.203,h[b+2]=(.272*c+.534*d+.131*e)/2.14;f.putImageData(g,0,0)}}),b.Image.filters.Sepia2.fromObject=function(){return new b.Image.filters.Sepia2}}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=b.util.object.extend;b.Image.filters.Tint=b.util.createClass(b.Image.filters.BaseFilter,{type:"Tint",initialize:function(a){a=a||{},this.color=a.color||"#000000",this.opacity="undefined"!=typeof a.opacity?a.opacity:new b.Color(this.color).getAlpha()},applyTo:function(a){var c,d,e,f,g,h,i,j,k,l=a.getContext("2d"),m=l.getImageData(0,0,a.width,a.height),n=m.data,o=n.length;for(k=new b.Color(this.color).getSource(),d=k[0]*this.opacity,e=k[1]*this.opacity,f=k[2]*this.opacity,j=1-this.opacity,c=0;o>c;c+=4)g=n[c],h=n[c+1],i=n[c+2],n[c]=d+g*j,n[c+1]=e+h*j,n[c+2]=f+i*j;l.putImageData(m,0,0)},toObject:function(){return c(this.callSuper("toObject"),{color:this.color,opacity:this.opacity})}}),b.Image.filters.Tint.fromObject=function(a){return new b.Image.filters.Tint(a)}}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=b.util.object.extend;b.Image.filters.Multiply=b.util.createClass(b.Image.filters.BaseFilter,{type:"Multiply",initialize:function(a){a=a||{},this.color=a.color||"#000000"},applyTo:function(a){var c,d,e=a.getContext("2d"),f=e.getImageData(0,0,a.width,a.height),g=f.data,h=g.length;for(d=new b.Color(this.color).getSource(),c=0;h>c;c+=4)g[c]*=d[0]/255,g[c+1]*=d[1]/255,g[c+2]*=d[2]/255;e.putImageData(f,0,0)},toObject:function(){return c(this.callSuper("toObject"),{color:this.color})}}),b.Image.filters.Multiply.fromObject=function(a){return new b.Image.filters.Multiply(a)}}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric;b.Image.filters.Blend=b.util.createClass({type:"Blend",initialize:function(a){a=a||{},this.color=a.color||"#000",this.image=a.image||!1,this.mode=a.mode||"multiply",this.alpha=a.alpha||1},applyTo:function(a){var c,d,e,f,g,h,i,j=a.getContext("2d"),k=j.getImageData(0,0,a.width,a.height),l=k.data,m=!1;if(this.image){m=!0;var n=b.util.createCanvasElement();n.width=this.image.width,n.height=this.image.height;var o=new b.StaticCanvas(n);o.add(this.image);var p=o.getContext("2d");i=p.getImageData(0,0,o.width,o.height).data}else i=new b.Color(this.color).getSource(),c=i[0]*this.alpha,d=i[1]*this.alpha,e=i[2]*this.alpha;for(var q=0,r=l.length;r>q;q+=4)switch(f=l[q],g=l[q+1],h=l[q+2],m&&(c=i[q]*this.alpha,d=i[q+1]*this.alpha,e=i[q+2]*this.alpha),this.mode){case"multiply":l[q]=f*c/255,l[q+1]=g*d/255,l[q+2]=h*e/255;break;case"screen":l[q]=1-(1-f)*(1-c),l[q+1]=1-(1-g)*(1-d),l[q+2]=1-(1-h)*(1-e);break;case"add":l[q]=Math.min(255,f+c),l[q+1]=Math.min(255,g+d),l[q+2]=Math.min(255,h+e);break;case"diff":case"difference":l[q]=Math.abs(f-c),l[q+1]=Math.abs(g-d),l[q+2]=Math.abs(h-e);break;case"subtract":var s=f-c,t=g-d,u=h-e;l[q]=0>s?0:s,l[q+1]=0>t?0:t,l[q+2]=0>u?0:u;break;case"darken":l[q]=Math.min(f,c),l[q+1]=Math.min(g,d),l[q+2]=Math.min(h,e);break;case"lighten":l[q]=Math.max(f,c),l[q+1]=Math.max(g,d),l[q+2]=Math.max(h,e)}j.putImageData(k,0,0)}}),b.Image.filters.Blend.fromObject=function(a){return new b.Image.filters.Blend(a)}}("undefined"!=typeof exports?exports:this),function(a){"use strict";var b=a.fabric||(a.fabric={}),c=b.util.object.extend,d=b.util.object.clone,e=b.util.toFixed,f=b.StaticCanvas.supports("setLineDash");if(b.Text)return void b.warn("fabric.Text is already defined");var g=b.Object.prototype.stateProperties.concat();g.push("fontFamily","fontWeight","fontSize","text","textDecoration","textAlign","fontStyle","lineHeight","textBackgroundColor","useNative","path"),b.Text=b.util.createClass(b.Object,{_dimensionAffectingProps:{fontSize:!0,fontWeight:!0,fontFamily:!0,textDecoration:!0,fontStyle:!0,lineHeight:!0,stroke:!0,strokeWidth:!0,text:!0},_reNewline:/\r?\n/,type:"text",fontSize:40,fontWeight:"normal",fontFamily:"Times New Roman",textDecoration:"",textAlign:"left",fontStyle:"",lineHeight:1.3,textBackgroundColor:"",path:null,useNative:!0,stateProperties:g,stroke:null,shadow:null,initialize:function(a,b){b=b||{},this.text=a,this.__skipDimension=!0,this.setOptions(b),this.__skipDimension=!1,this._initDimensions()},_initDimensions:function(){if(!this.__skipDimension){var a=b.util.createCanvasElement();this._render(a.getContext("2d"))}},toString:function(){return"#<fabric.Text ("+this.complexity()+'): { "text": "'+this.text+'", "fontFamily": "'+this.fontFamily+'" }>'},_render:function(a){"undefined"==typeof Cufon||this.useNative===!0?this._renderViaNative(a):this._renderViaCufon(a)},_renderViaNative:function(a){var c=this.text.split(this._reNewline);this._setTextStyles(a),this.width=this._getTextWidth(a,c),this.height=this._getTextHeight(a,c),this.clipTo&&b.util.clipContext(this,a),this._renderTextBackground(a,c),this._translateForTextAlign(a),this._renderText(a,c),"left"!==this.textAlign&&"justify"!==this.textAlign&&a.restore(),this._renderTextDecoration(a,c),this.clipTo&&a.restore(),this._setBoundaries(a,c),this._totalLineHeight=0},_renderText:function(a,b){a.save(),this._setShadow(a),this._setupFillRule(a),this._renderTextFill(a,b),this._renderTextStroke(a,b),this._restoreFillRule(a),this._removeShadow(a),a.restore()},_translateForTextAlign:function(a){"left"!==this.textAlign&&"justify"!==this.textAlign&&(a.save(),a.translate("center"===this.textAlign?this.width/2:this.width,0))},_setBoundaries:function(a,b){this._boundaries=[];for(var c=0,d=b.length;d>c;c++){var e=this._getLineWidth(a,b[c]),f=this._getLineLeftOffset(e);this._boundaries.push({height:this.fontSize*this.lineHeight,width:e,left:f})}},_setTextStyles:function(a){this._setFillStyles(a),this._setStrokeStyles(a),a.textBaseline="alphabetic",this.skipTextAlign||(a.textAlign=this.textAlign),a.font=this._getFontDeclaration()},_getTextHeight:function(a,b){return this.fontSize*b.length*this.lineHeight},_getTextWidth:function(a,b){for(var c=a.measureText(b[0]||"|").width,d=1,e=b.length;e>d;d++){var f=a.measureText(b[d]).width;f>c&&(c=f)}return c},_renderChars:function(a,b,c,d,e){b[a](c,d,e)},_renderTextLine:function(a,b,c,d,e,f){if(e-=this.fontSize/4,"justify"!==this.textAlign)return void this._renderChars(a,b,c,d,e,f);var g=b.measureText(c).width,h=this.width;if(h>g)for(var i=c.split(/\s+/),j=b.measureText(c.replace(/\s+/g,"")).width,k=h-j,l=i.length-1,m=k/l,n=0,o=0,p=i.length;p>o;o++)this._renderChars(a,b,i[o],d+n,e,f),n+=b.measureText(i[o]).width+m;else this._renderChars(a,b,c,d,e,f)},_getLeftOffset:function(){return b.isLikelyNode?0:-this.width/2},_getTopOffset:function(){return-this.height/2},_renderTextFill:function(a,b){if(this.fill||this._skipFillStrokeCheck){this._boundaries=[];for(var c=0,d=0,e=b.length;e>d;d++){var f=this._getHeightOfLine(a,d,b);c+=f,this._renderTextLine("fillText",a,b[d],this._getLeftOffset(),this._getTopOffset()+c,d)}}},_renderTextStroke:function(a,b){if(this.stroke&&0!==this.strokeWidth||this._skipFillStrokeCheck){var c=0;a.save(),this.strokeDashArray&&(1&this.strokeDashArray.length&&this.strokeDashArray.push.apply(this.strokeDashArray,this.strokeDashArray),f&&a.setLineDash(this.strokeDashArray)),a.beginPath();for(var d=0,e=b.length;e>d;d++){var g=this._getHeightOfLine(a,d,b);c+=g,this._renderTextLine("strokeText",a,b[d],this._getLeftOffset(),this._getTopOffset()+c,d)}a.closePath(),a.restore()}},_getHeightOfLine:function(){return this.fontSize*this.lineHeight},_renderTextBackground:function(a,b){this._renderTextBoxBackground(a),this._renderTextLinesBackground(a,b)},_renderTextBoxBackground:function(a){this.backgroundColor&&(a.save(),a.fillStyle=this.backgroundColor,a.fillRect(this._getLeftOffset(),this._getTopOffset(),this.width,this.height),a.restore())},_renderTextLinesBackground:function(a,b){if(this.textBackgroundColor){a.save(),a.fillStyle=this.textBackgroundColor;for(var c=0,d=b.length;d>c;c++)if(""!==b[c]){var e=this._getLineWidth(a,b[c]),f=this._getLineLeftOffset(e);a.fillRect(this._getLeftOffset()+f,this._getTopOffset()+c*this.fontSize*this.lineHeight,e,this.fontSize*this.lineHeight)}a.restore()}},_getLineLeftOffset:function(a){return"center"===this.textAlign?(this.width-a)/2:"right"===this.textAlign?this.width-a:0},_getLineWidth:function(a,b){return"justify"===this.textAlign?this.width:a.measureText(b).width},_renderTextDecoration:function(a,b){function c(c){for(var f=0,g=b.length;g>f;f++){var h=e._getLineWidth(a,b[f]),i=e._getLineLeftOffset(h);a.fillRect(e._getLeftOffset()+i,~~(c+f*e._getHeightOfLine(a,f,b)-d),h,1)}}if(this.textDecoration){var d=this._getTextHeight(a,b)/2,e=this;this.textDecoration.indexOf("underline")>-1&&c(this.fontSize*this.lineHeight),this.textDecoration.indexOf("line-through")>-1&&c(this.fontSize*this.lineHeight-this.fontSize/2),this.textDecoration.indexOf("overline")>-1&&c(this.fontSize*this.lineHeight-this.fontSize)}},_getFontDeclaration:function(){return[b.isLikelyNode?this.fontWeight:this.fontStyle,b.isLikelyNode?this.fontStyle:this.fontWeight,this.fontSize+"px",b.isLikelyNode?'"'+this.fontFamily+'"':this.fontFamily].join(" ")},render:function(a,b){if(this.visible){a.save(),this._transform(a,b);var c=this.transformMatrix,d=this.group&&"path-group"===this.group.type;d&&a.translate(-this.group.width/2,-this.group.height/2),c&&a.transform(c[0],c[1],c[2],c[3],c[4],c[5]),d&&a.translate(this.left,this.top),this._render(a),a.restore()}},toObject:function(a){var b=c(this.callSuper("toObject",a),{text:this.text,fontSize:this.fontSize,fontWeight:this.fontWeight,fontFamily:this.fontFamily,fontStyle:this.fontStyle,lineHeight:this.lineHeight,textDecoration:this.textDecoration,textAlign:this.textAlign,path:this.path,textBackgroundColor:this.textBackgroundColor,useNative:this.useNative});return this.includeDefaultValues||this._removeDefaultValues(b),b},toSVG:function(a){var b=[],c=this.text.split(this._reNewline),d=this._getSVGLeftTopOffsets(c),e=this._getSVGTextAndBg(d.lineTop,d.textLeft,c),f=this._getSVGShadows(d.lineTop,c);return d.textTop+=this._fontAscent?this._fontAscent/5*this.lineHeight:0,this._wrapSVGTextAndBg(b,e,f,d),a?a(b.join("")):b.join("")
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},_getSVGLeftTopOffsets:function(a){var b=this.useNative?this.fontSize*this.lineHeight:-this._fontAscent-this._fontAscent/5*this.lineHeight,c=-(this.width/2),d=this.useNative?this.fontSize-1:this.height/2-a.length*this.fontSize-this._totalLineHeight;return{textLeft:c+(this.group&&"path-group"===this.group.type?this.left:0),textTop:d+(this.group&&"path-group"===this.group.type?this.top:0),lineTop:b}},_wrapSVGTextAndBg:function(a,b,c,d){a.push('<g transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'">\n',b.textBgRects.join(""),"<text ",this.fontFamily?'font-family="'+this.fontFamily.replace(/"/g,"'")+'" ':"",this.fontSize?'font-size="'+this.fontSize+'" ':"",this.fontStyle?'font-style="'+this.fontStyle+'" ':"",this.fontWeight?'font-weight="'+this.fontWeight+'" ':"",this.textDecoration?'text-decoration="'+this.textDecoration+'" ':"",'style="',this.getSvgStyles(),'" ','transform="translate(',e(d.textLeft,2)," ",e(d.textTop,2),')">',c.join(""),b.textSpans.join(""),"</text>\n","</g>\n")},_getSVGShadows:function(a,c){var d,f,g=[],h=1;if(!this.shadow||!this._boundaries)return g;for(d=0,f=c.length;f>d;d++)if(""!==c[d]){var i=this._boundaries&&this._boundaries[d]?this._boundaries[d].left:0;g.push('<tspan x="',e(i+h+this.shadow.offsetX,2),0===d||this.useNative?'" y':'" dy','="',e(this.useNative?a*d-this.height/2+this.shadow.offsetY:a+(0===d?this.shadow.offsetY:0),2),'" ',this._getFillAttributes(this.shadow.color),">",b.util.string.escapeXml(c[d]),"</tspan>"),h=1}else h++;return g},_getSVGTextAndBg:function(a,b,c){var d=[],e=[],f=1;this._setSVGBg(e);for(var g=0,h=c.length;h>g;g++)""!==c[g]?(this._setSVGTextLineText(c[g],g,d,a,f,e),f=1):f++,this.textBackgroundColor&&this._boundaries&&this._setSVGTextLineBg(e,g,b,a);return{textSpans:d,textBgRects:e}},_setSVGTextLineText:function(a,c,d,f,g){var h=this._boundaries&&this._boundaries[c]?e(this._boundaries[c].left,2):0;d.push('<tspan x="',h,'" ',0===c||this.useNative?"y":"dy",'="',e(this.useNative?f*c-this.height/2:f*g,2),'" ',this._getFillAttributes(this.fill),">",b.util.string.escapeXml(a),"</tspan>")},_setSVGTextLineBg:function(a,b,c,d){a.push("<rect ",this._getFillAttributes(this.textBackgroundColor),' x="',e(c+this._boundaries[b].left,2),'" y="',e(d*b-this.height/2,2),'" width="',e(this._boundaries[b].width,2),'" height="',e(this._boundaries[b].height,2),'"></rect>\n')},_setSVGBg:function(a){this.backgroundColor&&this._boundaries&&a.push("<rect ",this._getFillAttributes(this.backgroundColor),' x="',e(-this.width/2,2),'" y="',e(-this.height/2,2),'" width="',e(this.width,2),'" height="',e(this.height,2),'"></rect>')},_getFillAttributes:function(a){var c=a&&"string"==typeof a?new b.Color(a):"";return c&&c.getSource()&&1!==c.getAlpha()?'opacity="'+c.getAlpha()+'" fill="'+c.setAlpha(1).toRgb()+'"':'fill="'+a+'"'},_set:function(a,b){"fontFamily"===a&&this.path&&(this.path=this.path.replace(/(.*?)([^\/]*)(\.font\.js)/,"$1"+b+"$3")),this.callSuper("_set",a,b),a in this._dimensionAffectingProps&&(this._initDimensions(),this.setCoords())},complexity:function(){return 1}}),b.Text.ATTRIBUTE_NAMES=b.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" ")),b.Text.DEFAULT_SVG_FONT_SIZE=16,b.Text.fromElement=function(a,c){if(!a)return null;var d=b.parseAttributes(a,b.Text.ATTRIBUTE_NAMES);c=b.util.object.extend(c?b.util.object.clone(c):{},d),"dx"in d&&(c.left+=d.dx),"dy"in d&&(c.top+=d.dy),"fontSize"in c||(c.fontSize=b.Text.DEFAULT_SVG_FONT_SIZE),c.originX||(c.originX="left");var e=new b.Text(a.textContent,c),f=0;return"left"===e.originX&&(f=e.getWidth()/2),"right"===e.originX&&(f=-e.getWidth()/2),e.set({left:e.getLeft()+f,top:e.getTop()-e.getHeight()/2}),e},b.Text.fromObject=function(a){return new b.Text(a.text,d(a))},b.util.createAccessors(b.Text)}("undefined"!=typeof exports?exports:this)}(window,document,html2canvas); |